Earlier quoted context omitted.
The uncomfortable reality is that there is almost no “sustainable” anything at our current population scale. Certainly not at anything approximating a typical Western lifestyle.
I think this is a cop out that needlessly encourages people to not try to find sustainable solutions. Yes, the road to sustainability is hard and long, but a path does exist that achieves sustainability without population reduction. Discouraging people from seeking that path does nobody any good.
I think, we should move to sustainable solutions, but I don't believe in over population