Just be glad all of the intersections meet at the same point. If it were all off, especially by irregular amounts, this would be far worse. And I’ve seen that. A lot
Whoever installed this at least did a good job and tried to do the best they could.
I swear I have never seen a diagonal of these ceilings that has been properly aligned. Thank God most rooms are square or rectangular so we don't have to worry about such things.