No it doesn't. Nothing else you wrote here is true either.
> "The argument that software is advancing is obviously false" I still regularly use my beloved Amiga computers. A couple of weeks ago, I was copying a file to an Amiga's hard drive when the computer suddenly decided to crash on me. Not because I did something wrong, but because old home computer OS:es weren't very stable. This resulted in a corrupted hard drive partition and the OS failed to re-validate the file system. My only option was, in the end, to re-format the partition.
I don't even know much about design but I can tell your claims about Figma are totally wrong, in a similar fashion to blows claims. It's the nostalgia talking. You're forgetting the fact that user interface has always had a lot of crap, just like software just like everything. The positives of the old cream of the crop is remembered while all the crap and even all the failings of the well designed things are forgotten
It is slow, but more importantly, by encouraging UX designers to work in high fidelity designs where live changes are frustrating and feedback is entirely incorporated as a bunch of mostly-hidden comments in a sandbox that makes it hard for reviewers to follow up on or reference back to, all it's done is made everything worse.