In part it's "all about boys" because no one I know denies that a man who wants to fondle a girl is still heterosexual. Oh, he's a pedophile all right, but he's considered "straight." It's when a guy goes after a preteen boy that things suddenly get very opaque, and he's not to be called "gay." It's sort of like Christians who say that no Christian would ever (fill in the blank: murder, rape, etc). Then when you say, well, here are some examples, they say, "Well, he obviously wasn't a true Christian! And my statement stands unassailed, no Christian would ever blah blah blah."
You have gays stating flatly that gays are not more likely to molest boys (although they seem indeed to be more likely.) When gays manage to get boy-molesting reclassified as something-not-gay, they have a better chance of convincing us to hand our children over to spend the night with William the Gay Scoutmaster.
It became all about boys when the usual list of gay bashing nitwits started demanding to know what the homos were going to do about the pedophiles, as if they have a monolopy on them.
>>"What I find funny is no one is gettin' their panties in a wad over the little girls gettin' felt up by the 'straight' Santas...."<<
Don't get me started.