Earlier quoted context omitted.
It's nothing new: Cascade of Attention-Deficit Teenagers. Or if you want to see a funny image, click this link: https://www.jwz.org/doc/cadt.html If you're easily offended, google instead for "Cascade of Attention-Deficit Teenagers".
I think we see that in all software projects. It is usually more fun and maybe even easier to redesign than to fix. I prefer to think of it as "aggressive refactoring" - which is not necessarily bad. I think the process of software maintenance (in the context of KDE development) could be much improved if their reporting process had less friction and collected more relevant information so that the turnaround would be…
I think that there are interesting exceptions. For instance, the *BSDs are sometimes maddeningly conservative. But if you have last used FreeBSD 5.0 or OpenBSD 3.0, you are up and running on the latest versions in no time.
I hadn't looked at FreeBSD for years. Tried the latest version 6 months ago or so and configuration was pretty much the same as 10-15 years ago. There are new cool features (ZFS, bhyve), but it is all logical UNIX.