You've got to put on your homo economicus hat and think outside the box of social norms and common decency. The solution is to find something that's the right size to prop the doors open. Then prop the door of each section that you're comparing, so that you can see products and ponder each one. After you pick something out, pay it forward by leaving the doors propped so the next person has an easier time. For full credit, make sure to wear a mask to defeat the facial recognition cameras.