Quote Originally Posted by TaleraRistain View Post
You asked if he wanted help and let him determine if he did. You were nothing but polite. He is right that it's just a dungeon, but he could have been a lot nicer in his reply. Unfortunately, you get that random one or two who are going to bristle even if you're polite.
People have a hard time changing their minds once they have formed an opinion. For example, see why-facts-dont-change-our-minds.

As a result, players tend to think their way is best even when they have no idea what the best way is. It's just human nature and the true reason why there is so much conflict in the world.