Your UI Isn’t a Disney Movie (medium.com)

> Unless you’re hoping to get picked up by Pixar, you can probably steer clear of animation easing like “Bounce” or “Ease-in-Out”.

Bounce, sure, bounce is terrible, but...

> Avoid Linear animation easing.

Okay then, what would you use when you are moving a thing from point A to point B, both of which are on-screen? Ease in and ease out will look jumpy.

The airplane is a terrible counterexample. The pilot does not need pretty animations, because the interface's actions are part of a de rigueur to the job. The pretties on a random app need animations, however, to help the user. The use cases are so far apart to make the comparison a bad one.