Payday 2 was good for a while, but then it got buried under a mountain of DLC and people slowly stopped playing because of the aggressive monetization. They came out swinging with the same tactics in Payday 3 with only minor content improvements, so people weren’t as motivated to buy the same game again.
Cities: Skylines 2 appears to be going the same route.
The real answer is to have them put their heads together.