Correct, which outnumbers the number of developers using Linux only right? Why cut a substantial amount of your possible user base?
Keeping the scope niche/small seems like a feature to me, not a bug. Let non-FOSS OS users find something else (?)
I am personally no FOSS zealot but I can respect a project that has a firm idea of its scope and targeted user base and wishes to stay limited to that
Not everything needs to be huge or growth hacked to death