It's essentially a list of positive changes stemming from legalizing marijuana under the guise of "unintended consequences" (the poor hippies!) that will also seem beneficial to many.
The funny thing is that the farms that supply dispensaries need labor and often pay under the table. One of these kids could make a few hundred bucks a day for a week trimming and then use that cash to do a fair bit of traveling. Nobody is getting disenfranchised here, it's just a bit for the article to get your attention.
EDIT: What is with people deleting comments lately? So you're comprehension on a subject wasn't perfect and sparked a discussion, big deal! It's nothing to be embarrassed about, people make mistakes. Look at my past comments, I say stupid crap all the time and nobody has taken my keyboard away....