It may have jumped the shark, but it may be that now there's space for actual experimentation and innovation again. This talk from Scott Jenson (who worked at Apple in Human Interfaces) was thought-provoking and gave me a little optimism: https://www.youtube.com/watch?v=1fZTOjd_bOQ
In all my years using computers I have never been so disappointed so profoundly by a 36 gigabyte operating system upgrade.