I agree completely with the sentiments of this article, but it didn't touch enough on what's preventing the mainstreaming of cryptography and security. The two

I agree completely with the sentiments of this article, but it didn't touch enough on what's preventing the mainstreaming of cryptography and security. The two big reasons I see every day are: 1. Cryptography is difficult to use effectively, and it's not getting easier fast enough. 2. Cryptography and security are seen by users as the developer's problem, and seen by developers as the user's problem.