Agreed, the person I was helping didn't want it on their mobile, which would have been easier since the app basically guides you to get set up and stores your key on apple or google keychain so less chance of you stuffing it up

But for desktop man it was long winded, to explain to someone who never used keys and is used to using an email address for everything. I think in desktop you really get to see whats potting where mobile abstracts things away and you might not "get" the difference from the jump