Not all of these newsgroups are full of childish, racist people, but they do
have a significant number of posters who post childish,  racist screechings,
They are called trolls. The starter of this particular thread is a classic
troll.
 
in article Wzzkd.11368$Gm6.6073@newsread3.news.atl.

> I have not been following this topic so I know nothing about what is in
> it but the title is AWFUL. Why would a topic with a title like this even
> come up?
> 
> Are these newsgroups (I am new to them) full of that sort of childish,
> racist screeching? If so are there any where the level of conversation
> is a bit more substantive?
> 
> -ST