Those are great points and it leads right back to the solipsism thing. Also, you snuck a "It's not that X, it's that Y." in there. Nice.

> you should just do a monthly "Vibe HN" thread

It wouldn't stop people from feeding them into the Show HN stream, which is the problem. If we had a good enough way to tell them apart, we could factor them into two streams, but we don't yet.