Optimizing limited team practice time for goalies is a continuous battle.
You've heard it before:
"The goalies are just pylons in practice."
"The goalies get no attention."
"The goalies don't see a shot for 20 minutes."
If you're a head coach, odds are you weren't a goalie and you identify more easily with the skaters on your team. The intricacies of the goalie position are foreign to you.