Earlier quoted context omitted.
I think it's fair to ask of any new program why to use it rather than an existing option. And there can be lots of reasons - more active development, new features, less buggy, smaller program (uses less disk/memory, easier to be less buggy), easier to install, easier to use, whatever. And the author of a program doesn't necessarily need to have an answer, especially not early on; programming is sometimes its own rewa…
I won't say that mc is really buggy, nor that it's large. But even if it were, it's weird to not even mention it, let alone compare with it, while likely most of the target audience has been using mc for years (or decades, like me).
Heh, I ported mc to Apple's A/UX back in the early 90's!