Look, I don't think most people doubted the stuff of Crochet. People doubt the durability of Crochet, and for good reason. He hasn't even remotely stayed healthy at any point in his career. One great start does not change that.
Not to mention, how many GM jobs are out there open for franchises that are in great shape? If they guy at the top is getting fired, it is because the franchise isn't good enough.