At the end of the day, any company deploys an e-commerce software solution so that the interaction of it customers with the company becomes easier. You can not expect the user to be a super intelligent person and the things need to be dumbed down. This is where the usability of the B2B ecommerce web designer software package comes into picture. It is very much applicable when you are deploying the system in a B2B environment. If the end user does not find the entire system to be easy to use, the entire system deployment exercise would be worth nothing.