I've seen a fair amount of both. The former ("don't build your own crypto") is clearly correct. The latter ("don't use crypto") is what I disagree with. One e

I've seen a fair amount of both. The former ("don't build your own crypto") is clearly correct. The latter ("don't use crypto") is what I disagree with. One example of this meme comes from the OP, who ends his article with: "Save yourself the trouble. Don't use cryptography. It is plutonium."