You sound like we need to work out which technologies to allow or ban. A true Indie web would just let technologies exist side by side, see which ones get impl

You sound like we need to work out which technologies to allow or ban. A true Indie web would just let technologies exist side by side, see which ones get implemented by popular clients or which clients become popular due to their implementation, and let it all exist organically. That's how RSS happened in the first place.