For you. But you don't get to make that decision for everyone else. Stop trying to impose your value system on others. It's clear you don't like using a mouse. Then don't. Keep using a 1970s keyboard if it suits you. Bon a petite.
Yes, openly criticizing someone's opinion (or in this case, simply stating another opinion) on a public forum is exactly the same as trying to impose my value system on that person.
By the way, you totally missed the "me" in
> Keyboard shortcuts give me precision and efficiency, not speed, and that cognitive overload you talk about is a small price to pay.
which quite clearly means that this is a subjective matter.
Thanks for helping policing the internet: we clearly don't need to debate about anything.