The answer about insurance will apply any way or another.

If the “thread” width is around the size of an electron, then the coffee (liquid) has basically infinite hole.

The same applies to the cup, our hands and so on

There is an obvious reason why countries like Germany make a strong stance against any “trolling” nazi joke/imagery/salute.

But America’s First Amendment seems to not understand that reason (or only understand when it is weaponized against communism, black people, trans rights and all the “woke culture” stuff)