I agree with @Daffrendo and @Allenheathx. That affirmation would be in the eyes of any judge, speculative, but they just gave ammo for Epic attorneys to say that the reviewing process just can’t do anything for the health of Apple Store, but it is nothing more than a way to guarantee the applications will indeed pay to them commissions when it is the case.
Nothing can prove more that their reviewing process does not guarantee malicious code can be found in this article: This'll upset the Apple cart: 1,200 iOS apps downloaded 300 million times a month include 'ad fraud' code • The Register