"...they should be acting because of conscience, not because the bishop 'said so.'"

Certainly not because the bishop "said so," but conscience is not necessarily right; it is often always complicated by one's ideological or political position that can both liberate and sustain inequalities at the same time. Africans and Latin Americans are well aware of that. As historians point out, liberalism and imperialism are often two sides of the same ravenous first world coin.