Touché. But seriously, most people who want to run Linux on Mac want to do it because they like Apple's laptop hardware. If you want a compact Linux desktop then a NUC should probably serve you just as well. Or at least, this was the case while Apple was still using Intel chips. If Apple Silicon lives up to expectations then I suppose there could finally be a compelling reason for running Linux on a Mac desktop.

To be clear, I'm not saying that there couldn't possibly be any good reason for wanting to run Linux on a Mac desktop. But desktops are already a niche product for Apple, and people who want to run Linux on Mac desktops are arguably a tiny niche within a niche.