These games are tagged capitalism, but they use this wild version of capitalism where the person doing the work gets to keep the value their work creates. I think there's a name for that...
Being fair, capitalism works great in games. The system necessarily determines a winner, there are no externalities inside of a video game, and the people whose labor you're profiting from are NPCs.
The only good capitalism sims are GameDevTycoon, which makes you complicit in the enshittification while playing a plagiarized game, and Roller Coaster Tycoon, which accurately depicts the tycoon mindset.
In the first game I remember charging about $5.00 or something for the bathroom. Easiest fake money I've ever made to fuel the construction of my psychopathic murder rides.