One midpoint is traditional css frameworks like https://getbootstrap.com/.

Not as powerful, and you don't get this sweet 3rd-party pluggable component catalog, but it's much simpler and it's stable: there's no constantly evolving ecosystem.

Shadcn ecosystem might have calmed down by now, but when I used it years ago, the layers on top of it were super unstable, and I was annoyed every time I have to work on those projects until I got Opus 4.5 to refactor out of them.