Purely For Profit

Until it can make money no more, BEAT IT TO DEATH .

The over-saturation of a franchise could be caused by its creator(s) wanting to earn every single potential cent from its revenue, merchandise, and games' micro-transactions. This can only end with it becoming a Zombie Franchise.

The Simpsons is probably the most popular example of its creator making a good effort to Beat Every Dime Out Of It. It's been on the air ever since 1989undefined, yet the vast majority of its original audience (or audience in general) has moved on to new things to take interest in.