I tried signing up for one of those one time, went through the 12 pages or so of questions, and ended up having them tell me, "sorry, we can't help you."
Not even having a chance to not have a chance is really demoralizing. Ha!
Anyone remember the good ol' days when there where pen pal lists online, and they actually consisted of real people wanting actual relationships?
I met a girl once, back then, who remains to this day one of the most amazing people I have ever met.
You seem pretty datable to me, with your brainpower and all, but than maybe that is intimidating for some. Who knows, I've been alone for a decade, so obviously don't really know much of anything.