"we not only lose outdated and misguided opinions" Those are some of the most valuable opinions to share. It's not great that people have such opinions, but to

"we not only lose outdated and misguided opinions" Those are some of the most valuable opinions to share. It's not great that people have such opinions, but to the extent that people do, it's much better to discuss them than suppress them. And they need to be discussed in long form with subtlety and nuance, and free from judgement of the people that hold them. If we suppress racist ideas, it doesn't mean everyone magically learned the real lessons. Even if racism becomes such a taboo that nobody ever engages in it again, if the real lessons aren't learned, it will manifest again. The definitions of race and racism will change, or it will take an unfamiliar form that we don't recognize because we don't truly understand it. The solution is to keep an open dialogue with people who are sincerely trying to be good. And even with personalities that are insincere, but have sincere (misguided) followers. Or even people who are insincere at times but open up to discussion later. Sure, at some point we have to say "this person is crazy and we don't have the time", but we shouldn't actively try to prevent others from hearing them. I reject the notion that free speech is some kind of compromise where we allow bad ideas to be discussed only so we don't miss good ideas. No, we let bad ideas be discussed because it's good to discuss bad ideas.