Why those posts aren't deleted?
Because if nobody start to erase useless/agressive comments , I don't think that people will stop to post that kind of stuff . Looks like nobody read the annoucement thread in that forum

And I saw some new members getting pissed off , enough to say things like "I will never come back here again" or something like that , well I don't how much the other members care about that , and , looks like that some people just do that due to the too big number of new members , but they're human , they have feelings , I don't care about the quality of their vids , I just try to imagine if those flames was pointed to me , and that's why I get pissed off all the time with those . . . ugh people . . .
Delete their posts it's a bad/good idea ?