Beware of the fools that reject the idea that there is such a thing as nature (or physical laws), and believe humans can manage the whole ecosphere.

I don't think humans could manage all life on Earth with our current abilities, even with complete good will. Even managing Biosphere II proved to be too difficult.

In practice, this plan would be an excuse to discard all fixed limits, so that the rich could plunder as they wish, while promising that some unspecified clever scheme would fix up the damage. Then it would become known that they never had a specific clever scheme at all, and the damage is irreparable.