Most contributions are driven by university students papers that somehow managed to get merged into LLVM, there is hardly a product manager driving its roadmap, thus naturally not everything gets the same attention span.
Yes there's no roadmap but it's flat out wrong that most contributions are from university students because hardly any contributions are from university students. It's actually an issue because we should be more supportive of student contributors! You can literally look at the contributors on GitHub and see that probably the top 100 are professionals contributing as part of their dayjob:
Thanks for pointing out that is a pile of useless knowledge, maybe I should waste my time reading other stuff more appropriate.
Should we go through an agenda?