I work for a digital display company, and it is definitely redundancy. There will be at least two redundant display systems that go to the modules separately so they can switch between them to solve issues. If a component fails on one side they just switch to the other.
My local cafes are just better, and they’re just as close as Starbucks. It’s not that they aren’t busy, their sales just aren’t growing and shareholders don’t like it when the line doesn’t go up.