I'm not following this part, and a similar comment with Magic Carpet. I completed both games and never had this feeling at the time. There's enough new stuff and variety in the missions to keep it interesting until the end.
> At bottom, Theme Park is a nasty, cynical little game, amoral if not actively immoral — a game where your concern isn’t with the happiness of your guests at all, but strictly with the amount of money you can extract from them; a profitable theme park with miserable patrons is not only possible but the only practical road to success. This is the kind of game where you over-salt the patrons’ fries to get them to buy more soda, which cups you stuff to the brim with ice to… well, you get the picture.
I just took it as silly fun as opposed to some kind of social commentary.