>>versio+(OP)
I agree with the guidelines, but they aren't working anymore. I can predict the tenor and content of the comments on half of the HN front page these days just from the title and domain, which means flagging isn't cutting it.
>>throwa+P
There is also a "hide" button. I assure you that right now there are countless internet fora where countless people are having discussions that for some subset any of us would find horrible. Better just to not engage with what you don't like.