> I am an extreme power user, to the point that many of the keys on my keyboard don't do what the keycap says.

Is that really the definition of an extreme power user? I switched the layout on my work MacBook to UK and remapped caps lock to command, but I’m in no way a Mac power user, let alone an extreme one.

You’ve misread. He wasn’t suggesting that the process for remapping a keyboard falls under power user, as in understanding how to do that. Remapping keys on a keyboard so they are exactly how you want them for your workflow definitely is the behaviour of a power user.