Experimental new Mario game generates levels based on how good or crap you are. Great difficulty solution, or bad idea?

Thus thereare various solutions to keep everyone happy. Selectable difficulty settings are the most traditional andwidely used, but then there are games which dynamically shift the hardness based on how well you're doing. And this new unofficial Mario game does that to an insane level. Above: If you're crap, the game will look like this Rather than simply shift perameters such as enemy health and damage