I don’t think you’re going soft - it seems to be a mix of several things.
You probably saw my shelved proposal for discussion which I think translates to this: let’s start with your #4 (Free to Upload/Download) and then see whether #5 or #6 makes more sense.
If I’m only imagining the similarities, it’s my fault.
That’s what I said too, except that I didn’t think there was/is that much theory behind the economics (not the technology!) of the network yet.