> I was asking for proof, which you still haven't provided.

And won't, since that's not public information. The best anyone can do is show that it sells like hot cakes.

Reliability doesn't come from sandboxing or notarization only. But from forbidden behavior, less rope for you to hang yourself with. I think that amounts to a much higher percentage of sales than the cool factor of simply attaching an Apple logo, but the precise amount is everyone's guess, of course.