Liberalism was thus a titanic wager that ancient norms of behavior could be lifted in the name of a new form of liberation and that conquering nature would supply the fuel to permit nearly infinite choices.
At this point, he's reaching for conclusions that are supportable by his premises.
Conquering nature may, on it's own, lead to a dire state of affairs, but provides no illumination about how society got to where it is.
The thesis here is too simplistic.