I think the Intellectual Property problem is fertile ground right now.
A lot of zoomers have anti-IP sentiments (to varying degrees, most are not really coherent of course.) Everybody knows piracy is fine now, for one. They're all incensed about vidya and all the chicanery games companies are doing, these Clippy pfp kids on YouTube always parrot this line "If buying is not owning, piracy is not theft"; I think a lot of them get it, at least partly. (I always get the sense that they might think that buying IS owning, implying piracy would be theft, and their saying is more so reactionary. but I think many really are just pro-piracy.)
We should also have allies in the free software movement (which might be growing? Hard to tell what's hype and what's for real these days); of course there's a lot of commie, Stallman types, especially the more harder nosed and principled guys, and they'll probably keep harping on "cuck licenses" in perpetuity, but surely many would be won over - there's already many using Unlicense and Creative Commons, permissive licenses are very common. Its always seemed like the natural conclusion of the movement. I think many would accept it, just hardly anyone discusses it.
A large part of the issue seems like closing the gap between "Give me credit or else" and "Please give me credit, if not you're a jerk". This shouldn't be such a hold up.
A lot of people worry about monetization, they think they can only make money with paywalls. But we have so man