keybase.io and the mailvelope browser plugin both do fine work in making PGP simple to use.
It isn't about being NSA-proof, its about having the volume of "Enveloped"/PGP encrypted emails be so high that it isn't possible to directly target everyone.
It isn't about being NSA-proof, its about having the volume of "Enveloped"/PGP encrypted emails be so high that it isn't possible to directly target everyone.