Why do businesses that have double doors only unlatch ONE door?

Why is it when you go to a laundromat, a convenient store, or a restaurant that has 2 double doors, they only unlock ONE of these doors? I dunno how many times I have tried to go in or out the side that happens to be locked, and it is extremely annoying. Are people just that lazy these days that they can't... show more Why is it when you go to a laundromat, a convenient store, or a restaurant that has 2 double doors, they only unlock ONE of these doors? I dunno how many times I have tried to go in or out the side that happens to be locked, and it is extremely annoying. Are people just that lazy these days that they can't release ONE latch?
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