The problem is: a frustrated user is not a leaving user. So as long the users stay at the platform and more money can be made the user experience will be crap.

The problem is: a frustrated user is not a leaving user. So as long the users stay at the platform and more money can be made the user experience will be crap. Spotify has 2 types of users, the creator and consumer. As long as there is more money to be made from the creator user they will also A/B test for that user.