macOS 10.15 Catalina: The Ars Technica review
Ever since the iPhone came out in 2007 and almost instantaneously overshadowed the Mac, both in terms of sales and development resources, Apple has been making the Mac a bit more like the iPhone. Sure, a few features have moved the other way—the iPad has gradually gotten a bit more Mac-like as it has become powerful enough to do Mac-like things—but a big piece of every macOS release this decade has been "here's all the stuff Apple brought over from iOS this year."