> There's a lot of Unix-y stuff being used in academy, research, and HPC: plenty of folks there would be just as willing to switch to a PC with Ubuntu/Debian/Ce

> There's a lot of Unix-y stuff being used in academy, research, and HPC: plenty of folks there would be just as willing to switch to a PC with Ubuntu/Debian/CentOS (which run the world's HPC clusters) if macOS gets in the way of their workflow if Homebrew or Macports don't work. Absolutely. I'd say Linux is the default for science and ML!