But assuming total concentration of power is possible long term, it only increases the likelihood of a better outcome for the powerful. To the extent that they need the rest of us that may also increase our chances of survival, but what happens if/when they don't?
But, maybe that's a plus. A super corrupt and inefficient government that oppresses the people is going to be like North Korea and not give off that much pollution. So, perhaps if our only objective to optimize is minimal pollution, then 'China-like' is better than 'USA-like'. However, if that's our only objective we might as well nuke all living organisms so there is zero pollution emission.
On the other hand, if another objective is something like human flourishing, then 'USA-like' might be Pareto dominant when compared to 'China-like'. Even more so if human freedom is a necessary component of human flourishing.
Central planning of a real time instrumented economy using super computers - well that might be more viable.
The debate between capitalism and communism is ultimately one of about the true nature of the human mind: is it a machine or a halting oracle?
7 Billion dead humans because of 'Freedom' would be worse than a few hundred dead people?
But each dead person had a life and a story.
What is best?
In the meantime we're 7 billions and projected to reach 11 billions by the end of the century. We already can't seem to protect the environment today so I'm not holding my breath with a 40% population increase.
Wouldn't surprise me at all to find the climate crisis receiving little substantial action until such a state of emergency has to be triggered to deal with it. It's all very well declaring a state of climate emergency as UK parliament did, and Ireland shortly after, actually treating it as an emergency has yet to happen.
So whether it's a good idea may not matter if it's left so long it's the only idea - I only hope that like in wartime, it's a temporary state of affairs.