The shift from location play to the home market has created the need for a “deeper” game. Unfortunately pinball is not a video game, but new buyers spending thousands of dollars on games want a deeper code to keep them interested. Games in the 70s, 80s and 90s were designed to keep you busy for a couple minutes for a quarter then keep you coming back for a high score. There was no virtually no home market and as long as money kept coming in to operators/pinball companies there was no push to develop “deep” pins. Also the computing power had limitations on how much code/software could be implemented, so games were more simple.