Yeah, I figured out what you were saying. See my reply to Academian. But fictional evidence is still dangerous because it just represents the ideas of one person and ideals can be altered in service of story-telling.

Not utopian, but see Ishmael (link in my reply to Academian). Utopian literature is rare in general and extremely rare outside usual Sci-fi authors.

The most radical elements of movements tend to be the most creative/inventive (their willingness to depart from established ways is what makes them radical). Among moderates we usually find beliefs sympathetic to the status quo except where they have been influenced by the radical end (in this case deep environmentalists). In that sense calling deep environmentalists "the backbone" makes some sense though I'm not exactly sure what Thomas had in mind. I suspect moderates don't think about the future or their utopia very much. Speculation about possible futures is something that generally characterizes a radical (with obvious exceptions, especially around these parts).