Chomsky is arguing that unvaccinated people are a danger to those they come into contact with. Not a potential danger - a real danger. It's not like having brow

Chomsky is arguing that unvaccinated people are a danger to those they come into contact with. Not a potential danger - a real danger. It's not like having brown skin; you can't choose not to have brown skin. People are free to not be vaccinated; and other people are free to shun them. That's his point, the way I read it.