I'm sure most of us work somewhere where you are expected to hit targets and deadlines.
If as a team targets are never hit because they are too high wouldn't it make sense to reduce the target?
They won't because they'll loose money but it's so stressful being yelled at all the time for something that seems impossible to hit.
So I suppose my AIBU is,
YABU, you need to work harder
YANBU makes sense to reduce the target