Crean was fired by the AD for reasons that a lot of us fans were never told in public.
What bothered me was not the wins and positive runs, it was that he overhyped everything...and focused on some things that in hindsight did not bode well for the future of Indiana basketball. He seemed frantic at times...but lots of coaches do. He did not seem to deal with locker-room issues. Discipline seemed inconsistent. He was a very hard worker and at times drove his team, apparently, to exhaustion prior to some games. He did not create positive situations or matchups for game tactics and strategies. He overhyped recruits, the season and his sales jobs on a few players was something that seemed to come back as a detriment during games. He allowed players to take it easy on defense if they played fast and scored on offense. And then starting with the Northwestern game in his last season,Crean used physical placards, which he dubbed "echo signs," to send signals and directions to players during games. These signs, which included directions like "call out screens" or "no hopping," were used to improve in-game communication and defensive awareness but they resulted in serious ridicule and players felt demeaned. He broke the pipeline to Indiana high school coaches. For instance, he did not seem to be able to continue to draw recruits for the future. These issues were common knowledge and some recruits seemed reluctant to step into it. When some top Indiana high school prospects went elsewhere Crean's future became more tentative at IU. The cupboard of recruits and players was lacking in that last year, and the future was not looking good.