OP has a point but the alternatives he provides are a bit worse from my perspective. Also, why not putting the old and new icons side by side? For an UX design

OP has a point but the alternatives he provides are a bit worse from my perspective. Also, why not putting the old and new icons side by side? For an UX designer that is policing on others, the animated GIF that you can't control with a fast transition was a very poor choice.