Do you have any stats to back this up besides anecdotal evidence?
"The people with their boot on your face don't have your best interests at heart. Believe in yourself, and find your own way."
This may be the case, but MJ use at an early age is pretty much known by the medical community to cause issues that will directly effect learning. I'm not sure why, if we are a community about learning, we should be encouraging this and spreading outright propaganda.
There may be people that are successful after smoking MJ for years at a time, but everyone that I know that smoked in highschool regularly never really accomplished anything and many are still in the same place (no career, always trying to make ends meet, barely an education).
Here is a good link on teen drug use and the effect on learning:
https://teens.drugabuse.gov/drug-facts/marijuana
It's really not something we should be encouraging.