There's nothing to forget though. It's just the same regular commands you use when interacting with vim. Same argument applies to doing it in Python that you'd

There's nothing to forget though. It's just the same regular commands you use when interacting with vim. Same argument applies to doing it in Python that you'd forget the syntax or functions. If you're not gonna forget python, why would you forget common vim commands. To be fair, I have no idea why he used ":norm" instead of putting it in a macro which is a lot more well known and would've done the same thing.