Invisible Details of Interaction Design
This seems to hit all the high points of a lot of the iOS and macOS interactions, but I think fails to hit any the low points.  It doesn't take much user testing to find that a lot of these interactions are frustrating to a good segment of users. The article doesn't even mention discoverability and just briefly mentions affordances, two things that are severely lacking in these interactions.I had to resize the browser window to read the content of the article and carefully position the scroll bar so I could read the content without being constantly distracted by the looping, unpausable animations.