You're right that I probably made an assumption that someone posting on hacker News would have the technical ability to hit a keyboard combination and type a command on a command line and hit enter, which is essentially what's required currently to utilize the local account ( https://rtech.support/guides/bypass-11/ )
My reply was intended as more of a direct message to OP, as opposed to general advice I think every end user should know and follow. I should have been more clear.
And yes, I later learned that aka.ms is a real Microsoft URL. But when it was first described to me it sounded exactly like ransomware and had exactly that effect.