Earlier quoted context omitted.
He exaggerated to make a point but Ctrl D every single time you boot is kinda annoying.
One more finger annoying than the power button which is what you would do on any other laptop. There is not a desktop Linux user alive who has not put up with more annoying things than hitting two keys to boot.
I do mind having to do them each and every time I pick up the computer, especially when I have bought it believing that I won't have to.