Earlier quoted context omitted.
> it's not appropriate to ask that an authority come in and forcibly establish a zone in a shared space where-in some speech is okay and other speech is not. How do you feel about your HR department and their anti-discrimination and harassment policies? :) You get more protections from harassment in the workplace than students get on campus. Tolerance of intolerance (e.g., hate speech) leads inevitability to the exti…
The poster you're replying to stresses again and again that this refers to public spaces. Even so, I'm not sure discrimination and harassment reach the same bar as discussing things like abortion in the abstract, for example. Personally, I'm not sure I'd support anyone harassing another personally, although if speech isn't intimidating to a person, you can't say it's harassment, I think (IANAL).
Nobody's saying that we should turn main street of podunk, OH into a designated safe place (though, it says a lot about the culture in america that it is decidedly NOT a safe place to be if you're LGBTQ/POC/etc).