Well we will not agree on this, but I would have used any of the three you listed and anyone else not asleep in the BP.I do not leave a ninth inning reliever in because when his is good he is better than the others.Because if he is not good the game is lost.
Recognizing that players are not the same as their stats on the back of their baseball card, and they have good games and bad games, is a step up.
But I think it's also true with pitchers that they don't necessarily/always have their best stuff when they face their first batter or two or three... think of the many solid starters who have a reputation for "you'd better get him early". Similarly you sometimes watch a reliever struggle for a batter or two, and then find himself. Of course most relievers don't have the luxury of getting a full inning to get squared away. But it's still as much an art as a science.
I'm not a Hildenberger apologist by any means, nor a big fan of the Closer role. But I don't think it's automatically a black mark against the dugout braintrust to leave him in, if they feel he's starting to find his feel for pitches. Of course, they can be wrong - it's a competition between batter and pitcher.