I'd be curious if they'd allow such an ad for a Facebook profile, possibly they disallowed it because it was inappropriate to the target user group (for example

I'd be curious if they'd allow such an ad for a Facebook profile, possibly they disallowed it because it was inappropriate to the target user group (for example you're not allowed to target dating sites to people in a relationship). Especially if the guy chose to run it as CPC, Facebook will have no commercial interest in running an ad which will get a negligible amount of clicks.