Reasons I don't use it: 1) I'm not terribly concerned with anyone reading what I send, because I've never personally observed any negative consequences from th

Reasons I don't use it: 1) I'm not terribly concerned with anyone reading what I send, because I've never personally observed any negative consequences from that happening, so that concern is external to me, even if real. 2) It's another complexity added to my life that I don't need. 3) Since others don't use it, I don't have the time or the inclination to explain to them why they should bother to deal with my encrypted messages. 4) If the government, etc., wants to get something out of me, they will. 5) Too many different ways to do it, none of them universal (chick and egg problem, yep, but....)