You don't have any idea what job they have, how good they are at it, what their company does, what industry they work in, whether their income is backed by labour, knowledge work, emotional connection, government relationships, capital investments, ...
See above.
I’m assuming their job is one at least somewhat in the firing line for AI, otherwise it’s a pointless anecdote. “My friend is a plumber and doesn’t worry about AI” isn’t particularly interesting because of course.
Your point is understandable but not knowing makes it worse for purposes of discussion since we have to assume the most likely case rather than an exceptional one.