Sounds like what you want to happen instead of what is actually happening.
Here's whats actually happening:
- If you are a platform holder one of the primary ways you make money is not from selling exclusive games, but rather the royalties you earn from everyone who purchases your hardware buying games/expansions/microtransactions on the store.
- Exclusive games are the way that you drive adoption of your hardware (which is typically sold at a loss or cost-price)
- The reason this hasn't worked for Microsoft in recent years is two fold - they have both failed to create exclusives at the level of quality necessary to drive adoption of their hardware and those who have adopted their hardware tend to spend minimal amounts of money on their store due to gamepass.
This situation is unique to Microsoft, hence the pivot. Microsoft also happen to be in the situation where they have recently purchased 2 of the largest videogames publishers, that's a lot of overhead and a lot of output to manage. Neither Sony or Nintendo have this predicament on their hands.
This idea that it would benefit other platform holders to do the same thing that they are doing is absolute nonsense. A quick glance at just how much money they are raking in from people purchasing games on their platforms shows you as much.