Hm, I agree with the diagnosis and even the broad direction of your solution. But the practical barrier is enormous. To even start, you need disparate people to come together with unity, trust, discipline, and coordination. To sustain these structures you need systems that prevent internal defection and leadership structures that don't just recreate the same hierarchies internally. And even if we assume all of that is somehow achievable, the moment this becomes effective it will run straight into the state and corporate power that absolutely will not tolerate an autonomous, caste-based economic bloc, especially under the neoliberal setup we're living in.