Hee hee heeWhen the blunt fact is
If there were no drugs then people would not come to the conclusion that there were drugs? Of course they wouldn't. Mushrooms may be one of many powerups but they are the main powerups and a staple of the series.When the blunt fact is that if there are no magic mushrooms then people would not come to this conclusion.
However, I'm pretty sure it's untrue. It just doesn't feel like something Miyamoto would do.