Would it be feasible for Apple to discount their 30% developer/iap fees in app categories in which they compete with developers commensurate with Apple’s domina

Would it be feasible for Apple to discount their 30% developer/iap fees in app categories in which they compete with developers commensurate with Apple’s dominance in that category? As though they themselves had to pay the same 30% fees, but to developers in the category, rather than to themselves. Would that level the playing field?