User blog comment:Swag1on/Why are Raid Events so popular?/@comment-5656531-20130130024231

It's fun to watch your raid skills activate on the boss. Each PP gives you many attacks, as opposed to BR. And you have 2hrs to defeat the boss, so casual players who aren't planning to burn PP hard can still do okay without spending big time.

Also, duplicate Ammits won't help you here. Lol.