I don't agree. By "has its place" I don't mean "appropriate for all" - I mean a step up for general security of communications. For mainstream users (who shoul

I don't agree. By "has its place" I don't mean "appropriate for all" - I mean a step up for general security of communications. For mainstream users (who shouldn't even be exposed to the concept of keypairs, since it blows their minds), you can give them a binary client and trust that their desktop isn't compromised, or you can give them a TLS connection and manage your server security.