I agree, that makes no sense. Those managers lack some common sense.
Powell is going to be a top waiver pick up this week in the RB pool.
Just look at Ryan Williams' game log... he's had his chance and he blew it. 2 fumbles, 0 TDs, 2.8 YPG and an injury in his 2nd game as starter. The only thing that saves Williams is his contract and the GM ego.
I'm not saying Powell is going to succeed but why would you drop him now?