I actually see that as a plus. If for whatever reason I forgot my own password and can't get onto my account it should be difficult. More so if the guy on the other end should be doubly sure that I am the real account holder if my esoteric answers match up.
So they had Mult Factor Authentication, OTP, and Yubikey all and they still used his mother's actual maiden name and place of birth. With all of that you would think they would do what everyone else does or should do on that. !@3f49 for place of birth and Erjsh99 for her maiden name. Using real information is just a weak point in a weak system.