Privacy space is often oversimplified, as if one magical solution could fix it all. In reality, it's a spectrum of trade-offs in UPS (Use case, Performance, and Security).
Fairblock's stance: Dynamic Confidentiality. Use the right tool (or mix) for each use case.
I would do two dimensions:
1. What is hidden
2. Who can rugpull your privacy
We want to try to get as far to the top right as possible.
Different use cases are at different stages: sometimes the short-term realistic thing is to go from the bottom left to the middle, sometimes it's to go from the middle to the top right.