A friend asked me to sit in on a chat with a founder. At the end of it, my friend asked if I thought the founder was right or wrong about the problem and his plan to solve it. I told him I had no idea.
I tend to be more interested in how someone arrived at a conclusion than the conclusion itself. Why they want to do things a certain way is more interesting to me than what they want to do. I shared this with my friend and told him that I think (at least based on this short conversation) that the founder has a solid thought process. He could be right or wrong initially. But his thought process will likely lead to eventually figuring things out and being successful.
Having a strong opinion is a great founder trait, but why you have that opinion is more important. As your share your vision and how you plan to execute it, consider sharing the why too.