I was learned enough in school to know when teachers were “teaching” something oversimplified. They uniformly acknowledged that when asked, until one didn’t. That one didn’t care about the nuance and insisted I give the “expected” answer when asked and ruined my attitude in school for years (not the only event, but it didn’t help). Obviously I’ve never forgotten her.
One thing I adore about this community is the broad acceptance of “I don’t know” and “it depends” as the starting point for answers.
My personal rule for being an expert/consultant is to be very willing to say "I don't know, but I can find that out for you", and define that as my real expertise: know how to find out things.
Technology stacks, programming languages, all of those things come and go. The skill to pick up whatever is needed is long-term better.
One thing I adore about this community is the broad acceptance of “I don’t know” and “it depends” as the starting point for answers.