> Because the moment that you plug in mismatched or non standard monitors into a modern linux distro all bets are off.

I do this daily with different displays and have no problems whatsoever. I've probably used over 30 different displays over USB-C and HDMI on Linux and have had no problems.

They were all different sizes, DPIs, panel types, brands, etc.

Meanwhile, I can't even do fractional scaling when using macOS lol