Why does everyone hate PewDiePie?

I give up .. Why?

Who is PewDiePie?

I've never bothered to watch him, so I couldn't tell you either way. Doesn't look like anything I would bother to watch. Felix Arvid Ulf Kjellberg, better known by his online alias PewDiePie, is a Swedish web-based comedian and video producer, best known for his Let's Play commentaries and vlogs on YouTube

Because he's not funny and extremely overrated.

I've never heard of her.