You're right, I'm young. But I do know that being a goody-two-shoes who always does the right thing isn't going to get you very far in life. You have to do unethical things to get rich. I do think it isn't completely black and white though, you can still make decent money while also being somewhat ethical, but that's completely off-topic.
Anyways, while what you're saying is true, it also supports what people have been saying in this thread. DC does care about money and he sure as hell doesn't rush development to complete the game. I've said this before; it isn't that far of a reach that DC doesn't hire new people, perpetuates development and/or is taking his sweet time with this game because the revenue he gets now isn't guaranteed to last. Who says that his next project will be as successful as SS, or even if SS stays as successful as it is now? It's happened countless of times that porn devs lose their audience and by extension, their revenue.
The dude can take the bag, more power to him. But some people here need to stop their delusional dickriding and see the situation for what it is. The game's development is in a sad state right now and, again, it isn't that far fetched to entertain the idea that DC isn't just an innocent guy trying his hardest to make a good game but just sucks at leading a project.
I can't look in the dude's head and I might be completely wrong, but you simply can't tell me that there isn't incentive for him to stretch out SS money.