https://www.gamespot.com/articles/microsoft-wants-game-pass-on-playstation-nintendo-and-every-screen-possible/1100-6519551/
"It's a bit of a change of strategy," Microsoft admits.
I like this idea. I know some games let you play for 60 minutes. All games should have a timer. Once it is up, game ends. If you like it, buy it and continue on.
Ideally, they would just release a demo mode that cuts to the action so you get a feel for the mechanics, or just have a prologue for each game where you taste the action in the first 20-30 min before all of the exposition.