As ZK is half done, FHE and MPC appear on the horizon

And while it's true that mature hallucinated servers may still be years away, FHE and MPC tech are set to become cheaper and more efficient until they can practically power more complex apps.

How far is this out?

Apparently 5-10 years, in the beginning mostly suitable for private shared-state apps with small state and high privacy value.

It appears to be comparable to stage 2 privacy requirements from https://www.fhenix.io/blog/the-different-stages-of-privacy-a-taxonomy