Speed is a concern in the factory, and that would slow them down even if the alternate format was as fast as USB, which it probably wouldn't be. USB pads could

Speed is a concern in the factory, and that would slow them down even if the alternate format was as fast as USB, which it probably wouldn't be. USB pads could be special and require additional work to mux with whatever the other format is. There are things they could do at the software level that could make sanitization easier too. But if they are really upset about this, they will consider it.