> How would you validate "novel work" vs "performance theater"?

I don't know. That's future shit, no one invented this yet. But I think someone will. Otherwise, hiring will become very difficult. As code becomes more and more commoditized, it should become easier to see.

> Would you use a tool that helped you share technical progress with ONLY people who'd understand it, while filtering out the influencer noise?

I wouldn't trust it today.