I'm going to interpret that as meaning that we do our job ok, just not instantenously—which would make sense, given that we're human and that would be humanly impossible.
> There was horrific racism on display right here
If there were any cases of that which we didn't do anything about, it would be because we didn't see them. I can't read everything that gets posted to Hacker News any more than you can; see "humanly impossible" above. But I'd like to see specific links.
> Perhaps it just seems part of the background noise to you
It does not "seem like part of the background noise" to me. What it "seems like" is wrenching my intenstines into an agonizing state on a regular basis and then driving a spike through them.