Read this interesting article that mentioned how F1 strict regulations quite possibly led to red bull drop lian after two races
 He wasnt able to do critical practice sessions reserved for drivers with less then 2 starts 

https://www.msn.com/en-in/sports/motorsports/explore-how-f1-s-strict-regulations-forced-red-bull-to-drop-liam-lawson-after-just-two-races/ar-AA1BUuoJ