The upper classes are more likely to support environmental policies, so this is a pretty asinine comment. And it's these same upper classes that are pushing for frivolous as opposed to substantive policies (plastic straws, anti-nuclear, etc).

https://www.researchgate.net/publication/325157337_Social_cl...

Yes, if you are trying to change human beliefs and attitudes, you can't disregard human nature or behavioral psychology. Duh.