I usually enter random gibberish to those questions (but keep the random data, just in case). Dumb questions like the name of your first pet make social engineering very easy. SMS verification is also a big security risk.
I disable all of this whenever I can, including Bitcointalk. I'm not sure what newalias' angle is here, he seems to know that security questions can only lock an account, so it's in no way a security risk for DefaultTrust.

No PM for me, I feel left out