Plato put it like this in his "Laws": “Laws are made to instruct the good, and in the hope that there may be no need of them; also to control the bad, whose hardness of heart will not be hindered from crime.”
How would the next generation like having a pristine Earth, without any infrastructure whatsoever?
No roads, no buildings, no domesticated animals, no libraries, nothing but nature.
No pyramids, no poems, all the oil and coal in the ground, "noble savages" all around.