There are some tech illiterate people, who use Linux without knowing it, because their child set it up for them.
PFAS, which are needed to produce teflon and other nonstick materials. It currently begins to attack attention, but wasn’t really an issue a few years ago. It doesn’t decay naturally so it will be forever in the environment. The EU is even planning to ban all PFAS.
If you use a graphical tool like gnome software, it will update everything with one click on a button