I think saying you can make 2/3 games out of the effort of 1 is a more cynical approach of you should be milking your consumers, you don't need to put this much effort into the game when 1/3 of that would have been "worthy" of release in the modern AAA space.
Since yes in a reductive point I'm just saying "Make good games, not bad ones idiot AAA devs" I'm just anti devs (more realistically publishers) trying to milk consumer's wallets.