i agree with everything, but calling cuba tiny is a bit of an understatement, cuba is about the size of portugal or bulgaria or hungary or south korea (not combined, individually)

i only ever used arch linux idk how other distributions handle it

try installing ffmpegthumbnailer and see if that works after reboot / relogin, if not uninstall and try another method

american cultural imperialism is pretty prevalent in the western world. everyone known american music, wears american clothes (jeans), speaks english, has american military bases etc