This suggests that it would help to have better getting-started guides for vim, and for using it with RLS in particular.
> 10% responded that tools aren’t use mature enough.
I've seen more than one person mention that the fact that RLS doesn't work on stable Rust is a sign of immaturity.
Also, in the context of people who had stopped using Rust:
> The rest of users mentioned [...] were turned away by Rust’s syntax, [...] or had a bad interaction with the Rust community.
Is anyone systematically looking over each of the responses that said either of these, in detail, in order to address them as well as possible?