I remember explaining why I used FreeBSD instead of Linux back in the day, and just after I said "it's a bit more stable than Linux" the system completely froze. Ouch, embarrassing. Needless to say, no one was especially convinced. That was on 5.0 or 5.1 IIRC.
(These days, there isn't too much of a difference any more; Linux has come a long way in the last 20 years.)
