This just shows how little you know about the subject.
Note to apdst: All new Presidents eventually fire all ADA within the first few months of their tenure. All of them. Carter. Reagan. H W Bush. Clinton. Dubya. Obama.
What they didn't do was fire ADA in the second term (if they had one). There have been a few exceptions, but it just doesn't happen.
See where I'm going? They fired "their own men." And according to what the evidence says, they were fired for political reasons. They didn't go after enough Democrats, and that's why it's been alleged they were fired.