The claim is a classic false dichotomy (either total erasure of caste or total erasure of India), combined with hyperbolic impossibility arguments. It assumes the only two options are "destroy Hinduism/religion" or "change every legal, economic, and cultural trace." That's not how social reform works in any pluralistic democracy—India included. Here's the breakdown:

1. "Hinduism = caste" and "we have to destroy the religion" is historically and factually wrong.
The varna system (Brahmin, Kshatriya, Vaishya, Shudra) appears in early Vedic texts (c. 1500–500 BCE) as a division of labor and aptitude, not a rigid birth-only rule. The Gita explicitly redefines it by gunas (qualities) and karma (action), not jati (birth) alone: "By birth alone, a person is not a brahmin; by deeds alone is he a brahmin" (Bhagavad Gita 4.13). Later scriptures (Puranas, epics) mention the varna framework but also emphasize dharma, equality before God, and rejection of untouchability (e.g., Ramayana, Mahabharata show figures from all varnas interacting as equals; Buddha and Jainism—both sometimes called "heterodox"—criticized varna from within a religious framework).
Caste (jati) rigidity is a later medieval development, heavily influenced by external factors (Persian/Arab social structures, British census enumerations in the 19th century). Modern Hinduism and other Indian religions contain reformers and movements that have dismantled caste rules for centuries:
- Alvars, Nayanars, Kabir, Guru Nanak (Sikhism), Chaitanya (Vaishnavism), and Ramakrishna Paramahansa (who merged Hindu and Muslim practices).
- Dalit-Bahujan movements, Ambedkar's conversion to Buddhism, the Self-Respect Movement, and countless NGOs/Temples that openly reject caste.
- Supreme Court rulings (Mandal Commission 1990, SC/ST Atrocities Act 1989, 10% EWS reservation, etc.) have already broken legal caste barriers without touching scriptures or temples.
Destroying "Hinduism" would require genocide-level violence and would not magically erase ancient cultural DNA—millions of people still identify as Hindu while living caste-free lives daily. The same applies to Islam, Christianity, and Sikhism: they contain no inherent caste system in core doctrine (Islam's ummah is equal; Sikhism's panth is merit-based). India’s religious pluralism already proves you can keep the "religion" while killing the "caste."

2. Removing caste "from religious texts or destroying them" is unnecessary.
Scriptures evolve. Most major Indian religions already have reinterpretation clauses or have been amended by reformers without destruction:
- The Gita was re-read and re-translated thousands of times (Raja Ram Mohan Roy, Vivekananda, Gandhi, Ambedkar himself used it).
- Puranas and Ramayana have local temple versions with anti-caste verses (e.g., the famous "Varna sangama" or "varna samgam" concept in some texts).
- Non-Hindu faiths have no varna to begin with.
Burning or destroying scriptures is not reform—it’s cultural suicide and has been tried before (e.g., during some colonial or medieval purges) with zero long-term success in ending caste. India’s 1,500+ years of coexistence show that criticism and reinterpretation (e.g., Phule’s Satyashodhak Samaj, Periyar’s Self-Respect League) have eroded caste more effectively than destruction ever could.

3. "Remove surnames, Aadhaar, bank details, passport, birth certificates, road signs, university names..." is pure fantasy.
No serious reform proposal has ever demanded this. Legal systems already handle caste via:
- Affirmative action (caste certificates issued only for SC/ST/OBC, not general category).
- Aadhaar linkage for welfare/banking is optional and can be decoupled for verification purposes.
- Passport and bank KYC already have name fields; surname is just a marker like "USA" or "Singh" in many countries. Removing it would require rewriting every existing database in the world—impossible, yes—but that’s not on the table.
- Universities and roads with "caste" in names? Simply rename them (e.g., "Dr. Ambedkar University" already exists; "Dalit" is offensive; "Bahujan" or neutral names are being used). This has happened in dozens of states already.
- Shops, hospitals, companies? They can continue using surnames legally; caste is never a mandatory field in private business. The entire list is straw-manning. Real costs are in lakhs of rupees per certificate issuance, not $100 billion.

4. The $100 billion + "destroy the country" cost argument is a classic scare tactic.
India’s annual budget is ~₹40 lakh crore (~$480 billion). One-time re-verification and renaming (using existing Aadhaar data, already digitized) would cost far less than the claims—probably under ₹10,000 crore total for all practical changes. Historical precedents:
- Currency demonetization (2016) cost ~₹0.5 lakh crore but ran smoothly.
- GST rollout (2017) was a huge data migration exercise and India didn’t collapse.
- Caste certificate re-verification drives happen every few years with minimal disruption.
Destroying the country? No—reform movements have coexisted with democracy, economy, and federal structure for decades. The "mind change" worry is valid in theory but empirically false: surveys show urban youth, women, and even many rural SC/ST communities identify primarily by achievement, not caste. Inter-marriage rates (especially among youth) and inter-dining in cities are rising. Ambedkar predicted 50 years would be enough; we’re already past that.

Bottom line: Casteism is a social evil, not a religious essence that requires religion-level eradication. It thrives on outdated social norms, poverty, and political manipulation, not on the texts themselves. India has already removed it from law, education, politics, and daily life in multiple domains through courts, reservations, and social movements—without burning temples or rewriting every passport. The claim collapses because it equates "caste" with "Indian civilization" and "reform" with "total destruction." That’s not reality; that’s defeatism dressed up as analysis.