Oh heck yes. ISWYM and that's the way I treated it - seriously, starting 2 months ago, for exactly those reasons. I just don't get it either, it's like head-meets-wall every time you try to tell anybody. It's so depressing.

(what I thought you might have meant was a criticism of me misusing maths and you were getting pissed off telling people it was a sigmoid not an exponential).