On the other hand, the enemy of my enemy is my friend
Maxim 29: The enemy of my enemy is my enemy's enemy. No more. No less.
That doesn't mean you can't work with them on a common cause, and maybe even show them the benefits of your way if thinking, but don't get caught out when they turn on you.
You... you don't? Surely there's some mistake, have you checked down the back of your cupboard? Sometimes they fall down there. Where else do you keep your internet?
Appologies, I'm tired and that made more sense in my head.