I'm still trying to figure out how "open" it really is; There are reports that it phones home a lot[0], and there is even a fork that claims to remove this behavior[1]:
[0] https://www.reddit.com/r/LocalLLaMA/comments/1rv690j/opencod...
so how is telemetry not open? If you don't like telemetry for dogmatic reasons then don't use it. Find the alternative magical product whose dev team is able to improve the software blindfolded
the fact that somebody was able to fork it and remove behaviour they didn't want suggests that it is very open
that #12446 PR hasn't even been resolved to won't merge and last change was a week ago (in a repo with 1.8k+ open PRs)