Go back to read last few pages. No one is arguing about subjective taste. So your concern is irrelevant.
Preference isn't related to whether we objectively evaluate something good or bad. I like candy bar regardless of it being low quality and bad for healthDesign has its trend and it actually expires in parallel with the technology evolving. Recent revisiting of the 3D element in the UI is pushed by both perspective. You can grasp the idea by reading those site. a b c d If you don't want to read from that "source" google yourself. Plenty of articles.
Don't attempt to put your word in my mouth. As I said in the previous post, what I don't like is skeuomorphism not Live's UI. What I said was ableton's flat is bad. The reasoning behind my opinion can be explained by these articles. You can of course come up your own argument to them. Sum up your idea and build your own theory to counterargue this trend.
If you don't like the definition of old and new paradigm 2010's 2020's you can keep it as "old" and "new". It's just for convenience to distinguish them easily in the context.
You can keep saying those UI/UX trend is just irrelevant and conspiracy theory. But it's all over the places in your faceunless you are living in the cave.
