Density is way down on UI elements for one. OS X used to feel like a Workstation. With every release macOS feels closer to a toy. Touch is great for convenience, but not getting into the weeds with “real” work.

Er… Yes they have. Liquid Glass is awful. It’s not only ugly (that’s preference, though), it has definitely negatively affected the UX. That’s why they’re adding sliders and options and reversal left and right.