Sure, that would certainly be a good pro albeit hardly the sole reason as you're making it out to be.

> They were able to guarantee this because they know a Mario game with 80 levels needs 80 things we've never seen before. SMM ships with 200 things we've definitely seen before.

That just plain does not follow. You can do millions of things with those 200 things, and combinations of those 200 things have certainly never been seen in a Mario game.

The playlist has 117 videos. This only scratches the surface of what is possible in SMM.

They are insanely challenging and certainly introduce new mechanics, which is your entire premise, that levels need gimmicks. There are levels that literally take hours due to how complex and new they are. They do things that Nintendo never intended you to do and could easily fill multiple games' worth.

Have you actually tried it out? Played some of these creative levels? Because everything you say makes me believe you have never even opened SMM let alone looked at the levels out there. There are literally tens of thousands of videos showing off thousands of new mechanics built on top of those standard widgets, in tens of thousands of hard levels. Your description of what is out there is just, plain and simple, not reality.

Just because it's not physically possible to make a commercially viable game due to the nature of the platform does not mean that there isn't enough content (and then some) out there made by a million joycons. If a person can make it, an AI can eventually figure it out.