Comcast and AT&T still exist. Kraft still turns out war rations by the warehouse. Tasteless grocery store tomatoes are still the most widely available.

This metric has very little to do with quality.

Those are horrible examples. The product lines you are discussing do not exist in any meaningful sense of the term.

LuneOS - the direct continuation of WebOS development had a release in Feb 2024 and is still under active development: https://webos-ports.org/wiki/Main_Page

Pretty good for something that supposedly failed 12 years ago.