What To Use Instead of PGP - Dhole Moments

I hadn't read The PGP Problem before but this article got me there and I it doesn't surprise me. PGP has the challenges that are outlined there. This article does a good job of showing alternative ways to do many of these things with direct links to the solutions to do it. The two that stood out for me:

Messaging: It just says use Signal. Forget about the rest. Email: I find it interesting that it just says no. Give it up. Not possible.