Did you use computers 15 years ago? Linux desktop and open source tools? Nothing had this crap back then, and some of it was pretty good. Audacity itself is an example!
Open source software is not a commercial product. You don't need to prioritize and optimize for engagement or market share or any such crap. Just fix what you want, fix what you can, interested capable users will contribute attempted fixes for their own problems and you incorporate them if they make sense to the project.
I don't think telemetry has ever resulted in good software, it just pushes everything towards being an iPad with one button on it. Only skilled tasteful developers make good software, and that was true long before telemetry existed.
[1] https://errors.ubuntu.com/ [2] https://developer.fedoraproject.org/tools/abrt/about.html
Actual fixes overwhelmingly come from individuals manually reporting weird lockups and backtraces, often taking the initiative to bisect the issue to a particular commit.
Here we'll only hear the strong pro-privacy views because that's the news.