That's exactly the point - they're banning behavior, not ideas. They didn't ban all racist or biased communities, just the ones that they saw causing harmful a

That's exactly the point - they're banning behavior, not ideas. They didn't ban all racist or biased communities, just the ones that they saw causing harmful and damaging behavior. Or evading the bans. And before you demand internal information, just imagine the witch hunt that would start if Reddit had released the evidence of such behavior. That would have caused even more harm, even against innocent bystanders. The fact that they selectively banned communities based on their behavior and not their ideas proves they are for free speech, but it's not the "bastion of free speech" that some people interpret it as.