‘Tis a bug or a feature?

Took this pic a while ago but it had not dawn on me until now, the window on the top floor is not paralleled to the overhang at all. Is this misalignment a design feature? If so, is it for deflecting winds or for improving the view from the inside?

Also, for the windows of the lower floors, some have very thick casing while others do not. I don't think there is any pattern determining which window gets to have the thick casing. It seems like every few floors, one window will get the thicker frame at random. Can someone please explain the reason behind this inconsistency?

If it's a bug, please notify the person running the simulation. It's cool if they don't want us to find out we are living in a simulated reality, but this, this is unacceptable (unless it's a feature). Thanks a bunch!