Yes, that's kind of exactly what I'm saying and have been saying. Padres fans were exactly like you in wanting Bud Black's head. They got it, nothing changed and now they are looking for a new scapegoat.
Tampa has a very deep team, which is why they can manage with injuries. They don't waste roster spots on total shitbags.
The Rays are a good team but it has next to nothing to do with the manager. You don't understand why they are good so you just reach for the manager, like the word "manager" is some kind of magical explanation for anything good or bad about a team that isn't immediately evident.