Limited to 100 people probably won't get a lot of fresh blood. You can queue with a friend for Feast right? But why bring a friend who might bump you down to 101.

You know what caused a PVP surge for months and months? Garo. You know what wasn't limited to 100 people? Garo. You know what wasn't a horrible, soulless grind to get every achievement...

It's like they just don't learn. Those who forget the past are doomed to piss off their playerbase every other patch.