Because people are fake, rude, two-faced, and toxic. It's a place where people can get a chance to get their feelings out to a perosn behind the screen because they think they can get away with it. It's sickening.
Hank hates Brian, Brian tries everything he can so that Hank will like him. Brian tries to help out and be nice to him.
If it's just a random thesis:
Topic: Dog Fights
Thesis: Dog fights should be illegal, since they are a cruel way to abuse dogs for profit.
Opposing Thesis: Dog fights are entartaining, and should be continued.
If I were stranded on an island and could only have one item. I would want a yacht.
