The human experience is generally speaking a scale of relativity.
You are rich if you are richer than your friends. But you are poor compared to Buffet.
It is why keeping up with the Jonses is a whole phenomenon. People compare themselves relative to those around them.
The irony here is that a "7" relatively to the posters likely means different things. For some it is a head turner, others it is that they would date her.
Ultimately she seems to be of tremendous character and obviously has great intelligence, hard work and athleticism. Article on her catholic upbring (
Link). I don't see her physical features as being of note good or bad as her other qualities are much more noteworthy.