I don't know. I don't think he's really making such an absolutist statement, these are heuristics, I think they're meant to be guardrails. ALAN is probably a

I don't know. I don't think he's really making such an absolutist statement, these are heuristics, I think they're meant to be guardrails. ALAN is probably a very good heuristic for precisely the type of person who reads HN. I would be most of us err too far in the direction of learning new stuff, while letting the projects we've started stagnate.