I think without systematic backstops to keep it below a certain number of hours there's a big risk to slide into more and more hours. Esp if you hire on someone

I think without systematic backstops to keep it below a certain number of hours there's a big risk to slide into more and more hours. Esp if you hire on someone who might visibly work a lot and get visibily rewarded for it - it puts a subtle pull on the group as a whole.