This is entirely contrary to how the Macintosh has worked for decades which has also shaped user expectations, and closing the app entirely creates a performanc

This is entirely contrary to how the Macintosh has worked for decades which has also shaped user expectations, and closing the app entirely creates a performance penalty for document-oriented apps. Whenever Apple has experimented with doing it a little different, such as when they added sudden app termination to Lion, it has generally degraded the user experience by running contrary to expectations. I also second everything in bitigchi’s reply to you.