They also opened the slide doors on the minivan on one side, showing that the mini van door blocks the entryway, whereas the wing doors don't. I think in tight

They also opened the slide doors on the minivan on one side, showing that the mini van door blocks the entryway, whereas the wing doors don't. I think in tight spaces, the wing doors have sliding doors beat. It has disadvantages, but purely from a space usage perspective it's a pretty good solution.