I can’t tell if the background is a very clean real interior or a render, either way it makes no sense for it to be like that.
Everything about the scenes they used feels so intentional and designed its pretty ironic to have such obvious and weird flaw.
Nah the rest don’t look perfect. In your last pic on the left side the line also doesn’t match up. I think all of the top units are just slightly bigger than the bottom units. It’s aligned on the left side, but then every unit is slightly more misaligned on the right side. Once we get to the end the differences stack up and it clearly sticks out a lot.