Denying any part of Christ's mission is folly, obviously. We need to take the whole word into account HOWEVER...
Here's where i see it getting tricky. We are each called to a different set of standards, we have different roles to fulfill.
So enforcing individual doctrines might not be the best idea, not only for that reason, but also for the sake of the larger picture.
"But avoid foolish controversies, genealogies, dissensions, and quarrels about the law, for they are unprofitable and worthless. As for a person who stirs up division, after warning him once and then twice, have nothing more to do with him, knowing that such a person is warped and sinful; he is self-condemned."