St. Louis Blues fans and complaining about the goaltender go together almost like peanut butter and jelly. Not everyone does it that way, but it is so common place that it has become part of the culture.
So, Jake Allen never really stood a chance. Even before the 2012-13 season, when Allen filled in admirably while Jaroslav Halak and Brian Elliott were hurt/struggling, the Blues had it in their mind that Allen might be their next starter.
He began to prove them right with his play in that fill-in role. In 13 games, he went 9-4 and had a respectable 2.