I see you comment here all the time about LLVM and I'm pretty sure you have no idea how LLVM works (technically or organizationally).
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: