Probably the same as you. It's a small world, and people will always remember, even if they pretend not to. Now, you don't have to be mother theresa here. Engineer a way for that broker to get wind this interaction occurred, and then guilt trip them into a slightly better rate for you. Ensure no service failures. If I found out my carrier did this, they'd have a good chance to get an extra $50-100 out of me per load, depending on the mileage of course.