The article discusses the author's disappointment with the new macOS Tahoe, specifically the changes to the user interface, including the use of excessively rounded corners, enlarged controls, and reduced distinguishability of app icons. The author argues that these changes have led to a less usable and less aesthetically pleasing interface. The article also mentions the lack of improvement in subsequent updates, such as 26.1 and 26.2. The author expresses frustration with the direction Apple is taking with its operating system.