AFAIK if you buy any computer from within the last 20 years, there’s a good chance you can get a 6.X Kernel running on it. 32-bit support is fading out, though. If you buy a 64-bit computer, you’ll be able (with sufficient RAM and hard disk space) to install any modern distro on it.
People like that guy is the reason some MRIs require you to walk through a metal detector first. People are stupid and will ignore safety measures all the time.
Libertinus Serif (much nicer Times New Roman-ish serif text font. Huge amount of glyphs, open source font license, great to read on display and on print)
Lato (Sans font which imo compliments Libertinus Serif really good. More for short texts, headlines etc. I wouldn’t recommend it as a UI font. Also permissive font license.)