Thanks for coming back to me.

[...] human beings are difficult to please, and we are rarely satisfied with what we get.

This indeed looks like being a definition of human beings :D

So in fact, here the real problem is the management and not the demands by themselves. I imagine that many are aware of this (at least you are, as @amestyj probably), so that there is a chance to see a good evolution soon, isn't there?