> The whole "war on hate" thing was a bad idea; you can't forbid hatred. It predictably didn't work, and it's good that we're turning away from it.

This is a myopic view. You are obviously correct that you cannot legislate that someone think in any particular way or otherwise force someone to change their minds, but the idea that collectively deciding that a viewpoint is not longer tolerated within the broader society and then making efforts to support that at all levels is ineffective and not worthwhile is absurd. Threats, physical violence, and murder have always been illegal, but used to occur with much higher frequency against many minority groups toward which society tolerated hatred and abuse. It's plainly obvious what changed is the idea that it would be brushed under the rug, that others would at worst turn a blind eye to the perpetrator if not support them, that there would be no real consequences whether legal or in social circles - this environment in which people act on impulse rather than thinking twice about what they're doing - went away. We must remember that progress isn't permanent, that civil rights must be maintained and won't protect themselves, and that there's probably someone out there that hates someone each of us loves and cares about for some arbitrary reason and would act on that if only society gave them permission.