Those are actually great points! I certainly don't want to hand waive away any and all UI discussions (particularly as I personally enjoy discussing UI design).

But I believe that UI updates, when they happen, should be infrequent, well-considered, and purposeful, with a bias towards leaving things as is. What really bothers me is when feedback is considered invalid because it's assumed to reflect some natural adversity to change. Maybe it does—but that pain your users are feeling is real!

I almost wish software updates still had to be distributed on discs, so that vendors would be required to think and plan instead of essentially performing perpetual experiments on their customers.