The area around Swiss sockets are more bulky in practice because (a) wires come out at 90 degrees to the wall and (b) adapters and extensions and whatnot are re

The area around Swiss sockets are more bulky in practice because (a) wires come out at 90 degrees to the wall and (b) adapters and extensions and whatnot are required to plug in wall-warts, which are really common these days, whether it's USB power for various gadgets, cordless vacuum cleaners, video Alexa (not USB-powered), etc.