The way the background moves in the opening sequence, from 00:00 to 00:01, feels a bit uncomfortable for me to experience. However, the second scene does not have the same jarring movement, and feels a lot more natural, as the mountains do not feel as juxtaposed to the faster pace of the buildings' movement.
Perhaps I am simply not as familiar with seeing that type of rapid, layered background movement, and it sticks out as a bit strange to me. I apologize if this feedback seems odd, but I wanted to be honest about my experience with your animation.
Your use of colors and shapes is very awesome! And the punchline is good!
You are very welcome to call me stupid, because I am. Please, I hope my feedback can be of use to you. This is just my experience.
Thank you for creating your animation, you are extremely skilled.