Well it is, though, actually...
https://www.nytimes.com/2019/02/21/climate/green-new-deal-questions-answers.html
https://www.npr.org/2019/02/07/691997301/rep-alexandria-ocasio-cortez-releases-green-new-deal-outline
This effort has the support of many "center" democrats such as Kirsten Gillibrand, Elizabeth Warren, Mazie Hirono, Ron Wyden, Richard Blumenthal, Cory Booker, Amy Klobuchar, Tom Udall, etc. Of course the reality is that group is actually extreme, though few in the mainstream democratic party would place those individuals into the SJW twitter mob...or would they?
https://www.washingtonpost.com/graphics/politics/policy-2020/education/free-college-tuition-four-year/
Plenty of other "mainstream" democrats support the notion of "free" public college.
https://www.vox.com/2019/4/22/18509196/elizabeth-warren-debt-free-college
Liz Warren wants to give this subsidy to those making between 100-250K/yr...seriously? Forgive me, but this is what passes as "mainstream" now-a-days, so the push back from the right is completely understandable. Even the language that is used around these topics is deceiving. They call it debt "cancellation" when it reality it is more accurately classified as transfer.