This was an old thread and really shouldn't have been bumped for something that pointless. But I understand why someone would do it.
As far as being serious, this place is only as serious as you let it be. The influx of young people with agressive ideas is a byproduct of MMA becoming so popular. Just let things run off your shoulder. Seriously. Have fun! If you're having a problem with one or two people, put them on ignore. Just pick the stuff out you want to read.