This post was also extensively discussed back then. It is a classic but yeah 2014 belongs in the title.

It's interesting that encrypted messaging has exploded since 2014 but spam has not yet become that much of a problem.

The people who use encrypted messaging, while greatly increased in number, are still not the target demographic who would click on FREE VIAGRA ads. That said, I wouldn't be surprised to see a small niche industry arise around unsolicited encrypted bulk email sending for tech recruiters...