User blog comment:BIA-Kaboose/The Problem Behind Balance/@comment-24242333-20131211145617/@comment-8267817-20131212135135

The Yorick change made him less favorable to high level players actually, casual players don't care that their opponent could get 5 extra gold if they last hit the ghoul, but for pro players who understand the value of gold, that could possibly become an overwhelming amount of gold throughout the course of a game.

Also a lot of peope never realized that Nasus counters Yorick, ghouls mean free stacks for his Q, wait for the 4th tick of the ghoul losing health then q it, free 3 damage.