In my honest opinion, Sims 4 is just way too easy! Seriously, all my Sims get rich and get good jobs without even breaking a sweat! I don't use cheats, I don't download somebody else's work, it's just...
The Sims has always had a diverse age range playing it. Even back in the sims 1 days. So I don't think that's a good enough reason to make the game so simplistic.
However it is is a game that has shown that its older players I.e the sims 1-3 are largely irrelevant.