And the blinding of pride continues, the Archbishop doesn't need to convince any gang banger, only the city government and educational system using his gifts of tongue.

I've already told you what he should be doing in Catholic Schools (establish some serious training in the harder virtues) and what he might want to try with the city government/educational establishment (to do the same). 

Pride can create prickly arrogance, and thus "close oneself in" to the concrete suggestions already given.