I don't recall seeing anyone complain that Apple hadn't changed Photos.Then complain that Apple never changes anything.
The complaints aren't that Apple doesn't change things for the sake of change, people complain that new phone releases have gotten boring and operating system releases have gotten buggy
Some people want exciting new features. Others want a more polished user experience. Those are different issues and they can both be solved at the same time if Apple wants to
Redesigning default system apps isn't something I've ever seen anyone request. And the worst part is, they're being redesigned by a UI team that is nowhere near as talented as the ones who designed the apps in the first place. That's a recipe for decreased usability and stuff like this:
Really a step backwards that to jump to your oldest photos in Library you have to tap Select, then the top of the screen to jump back and then tap Cancel to get out of selection mode. And in the Hidden folder there isn’t even that option- you have scroll manually to go back in time.