eyeinthesky
Yep, all fair enough, as you say- communication. If you tell us why you do stuff (as some do), we can understand the restriction better.
BTW I think that sometimes, the new sector doesn't believe me when I tell him/her that the previous sector has released me for climb/descent, judging by the length of time it takes to get the clearance (roughly the same time as a quick phone call to the previous sector...)
So now we can talk about trust as well as communication...
