Earlier quoted context omitted.
The term is subjective, yes, but an app that promises a Gay Cure is by definition offensive, no matter what definition of "offensive" you choose -- it's also medically dangerous, since gayness is not really a disease. So if Apple pretends that it's doing this approval for the betterment of the App Store, like a Shepard blocking out impure apps from its garden, then they'd better make sure Gay Cure apps are out, other…
Smoking is medically dangerous. Should Apple ban iSmokeit and other apps that facilitate smoking?
Banning apps like iSmokeit would be like imposing your morality on the rest of the world, even if there are well-behaved smokers out there that only smoke in their own private space.
On the other hand apps that help you quit smoking are OK, since smoking IS bad for you in the long-run and dependency on smoking IS a treatable vice.