That's sort of how I felt about things before, but the reality I believe is we wouldn't have uv if they 'just contributed to poetry'.
I don't know the differences between the two well enough to know if it was the case here, but in my experience sometimes you need to innovate on a fork, or from scratch in order to create the space/freedom to do so.
Once a project is popular, it's harder to justify and be confident about major changes (aka https://m.xkcd.com/1172/)