It's a disease that sweeps our nation I won't lie I take part in it (mostly listening to gossip never starting anything just to clarify) someone needs to be made a public example of but even then probably won't work this day in age it's just as normal as eating and sleeping unfortunately
Can occur for many reasons but the basic ones I guess would be cause of disagreement fermented and unwillingness on the part of people to communicate more calmly.
Drama occurs for one reason and one reason only on internet forums. One person feels wronged and then they try to sway the general viewing public to their cause.