The Digital Foundry video on this one is great (as always): <a href="https://youtu.be/BLlZBwN_-C4" rel="nofollow">https://youtu.be/BLlZBwN_-C4</a>
Maybe because other other AAA devs are wasting their efforts on monetisation and useless graphics instead of game play. If publishers let studios have more freedom they could produce better games.