>we still haven't learned who was talking to us
Yep. It's a fucking mystery.
Why isn't humanity moving at light speed with real progress, innovation, and forward-thinking when such powerful minds having come before us? We should be conquering and terraforming planets around distant stars and taking their women for ourselves, by now. Frustrating.
As a follow up, how to write/publish something even remotely useful with all the great stuff that's already out there?