Maybe because he didn't have much to pick from and he put them there as temporary placeholders.
Nothing is what it seems. Remember T-Rex. John F. Kelly, Sessions, Kirstjen Nielsen,…quite a few others too….all swamp creatures hired by POTUS for a bit, then fired once he decided it was time to get rid of their sorry asses. Wray is another swamp rat. So are Coats and Haspel. Totally useless. POTUS needs another round of house cleaning.
He already did. He said the stuff will come out after Comey is exposed. Meanwhile, Comey still posting coded messages on Twitter. Moves and countermoves. Maybe this isn't as simple as we think. If it was why would the president have to be telling law enforcement to cooperate with the AG's investigation? Isn't that what they get paid to do?
Now we hurry up and wait another two years for Barr to do another BS investigation and blow through another $40 million of our money.
Pray for POTUS because he is surrounded by swamp creatures and cabal operatives—even ones who claim to support the MAGA agenda.