Not only is 0 != 1, but also 0! = 1.

sadly I don’t know which one you mean :D

I only use those as a tourist, but the plugs tend to fall out of the outlet constantly, especially if the plug is not just on a wire but has some usb-c adapter or such integrated.

You are basically saying that consumer protection is useless, as consumers should protect themselves.

That would be true if all consumers would have the time and understanding to be perfectly informed all the time, which is not realistic.