If they were the only ones who they were hurting as a result of their stupidity, then I would not be opposed to letting them successfully Darwinize themselves.

If they were the only ones who they were hurting as a result of their stupidity, then I would not be opposed to letting them successfully Darwinize themselves. But their refusal to get the vaccine increases the places where the virus can replicate and evolve. Which endangers everyone on the planet. Your right to free speech ends where it impacts my right to not be forced to listen to your drivel. Your right to remain unvaccinated ends where it impacts my right to not be infected by your disease.