I'm probably just ignorant, but aren't these kind of the same thing?
The upshot of both seems to be "modernity is bad, the right way for humans to live is in some vastly simpler system characterized by either sustenance farming, shepherding, and/or hunting & gathering".
Wild equivalence you're trying to draw there. They are not at all the same thing.
Let me put this as simply as possible: Recognize that as a settler you have no right to levy criticism towards or dictate policy to indigenous people or movements.