Evolution
If we look at the ancestors of human ancestors, we find mushrooms in the family tree. Humans are more closely related to the fungi than to the plant kingdom.
Man has become smart thanks to magic mushrooms
Hallucinogenic mushrooms have made humanity what it is today. Mushrooms have the property that people produce more BDNF which allows the brain to develop better. Although this is still just a hypothesis, we believe it is plausible because magic mushrooms are also known to have mind-altering properties these days.
Video explanation
It might all sound a bit far-fetched, but a good explanation explains a lot. Check this out YouTube video and share your opinion.