I think the only downside with the musl binary is that there can be a performance hit compared to libc, which may or may not be an issue for a terminal text editor.
I also echo some of the comments here saying it's entirely reasonable for a single maintainer not to support absolutely every single distro unless it's straightforward or enjoyable.
I also echo some of the comments here saying it's entirely reasonable for a single maintainer not to support absolutely every single distro unless it's straightforward or enjoyable.