It is a fallacy to claim that orthodoxy is necessarily, or even on balance, a force for good in the world. For the vast majority of the history of Christianity, orthodoxy has been a stated justification for preventing women from being ordained, warfare, assassination, torture, execution as "heretics" of whoever is inconvenient to the status-quo, slavery, imperialism, genocide, repression, censorship, and any number of awful things you can think of.
Now I'll be the first to support the claim that political and theological motivations are complex. Sex, money and political power are caught up in claims of orthodoxy - of course they are, and we can't lay bad stuff at the feet of orthodoxy alone. What we can do is easily look back in history to find loads ways that orthodoxy has been used as a justification for really horrific things. Far from saving us from catastrophe, orthodoxy has been an engine of catastrophe.
Is it without value? Not at all. But the idea that orthodox = good does not hold water after even a cursory glance at history. So even given a case where we can point out where orthodoxy has staved off disaster, we must also acknowledge places where orthodoxy brought disaster upon us, or was called upon to justify what we would now identify as evil.
Perhaps I should say "what passes for orthodoxy", since too often supposed orthodoxy seems so distant from Christianity as I understand it that I feel like my head is going to explode. It must be said, however, that moving toward orthodoxy does not mean moving toward good, and the orthodox have been villains (as well as, yes, heroes) many times in our past.