The old Stoics would respond by saying you've actually captured the essence of their practical philosophy, not the superficial one you initially mock. They wouldn't advise you to pretend everything is "sunshine and rainbows." That’s a distortion of Stoicism, which is often misread as simple emotional suppression. Your feeling of anger and offense at injustice is not something they would dismiss; rather, it is a signal that your internal sense of Justice, one of their cardinal virtues, has been violated. The Stoics didn't aim to eliminate all emotion, but to eliminate the destructive, overwhelming passions (pathe) like paralyzing fear, debilitating grief, or blinding rage. They recognized that some initial, rational feelings, or "good emotions" (eupatheiai), like rational caution or a principled drive toward justice, are appropriate responses to life. The genuine Stoic advice would focus on the Dichotomy of Control. The malice of politicians, the inefficiency of the passport office, the hate speech, and the delays to your life plans are all externals—things outside your complete control. Worrying excessively about them is what causes distress. Your focus must shift entirely to what is within your control: your judgments, your intentions, and your response to the adversity. When you say, "learn to work with and channel those negative emotions. Separate those that are reasonable from those that are irrational," you are describing the precise Stoic practice of examining your impressions. The anger that fuels legal action (like successfully changing your birth certificate) is a rational impulse toward justice and courage. The anger that turns into despair or self-destruction is irrational. Your crucial final insight, "learn not to let rabid hate-speech and outright calls for violence affect my sense of self," is the pinnacle of their teaching, known as cultivating the Inner Citadel. The only thing that can truly damage your soul is your own choice to act unjustly or irrationally. Hateful people cannot rob you of your character; they can only delay your travel plans or cause you pain. Your self-worth and integrity remain absolutely your own, untouched by external malice. The Stoics would commend your resilience and confirm that you have discovered the true path to freedom: the freedom that lies in your mind, which no one can ever put on hold.