E16 hotkeys, so easy that a kid can do it

She almost don’t know anything about computers

But learned recently typing with all the fingers, and today, some terminal basic commands and window manipulation in desktop lol

Yeah, same with my children at the time.
Right up to the moment that at school they had to use MsWord and the teacher was totally stymied by Libreoffice.

The Ux "problem" is always a matter of crossed expectation and habit that gets a new user frustrated. M$ and Apple (and Android) have a lot to answer for, there.