For
It could restore lost biodiversity and fix past damage.
Against
It may disrupt today’s ecosystems and cause new risks.
Anonymous excerpts, translated where noted.
“If a small (relatively) amount of time has passed, you could safely de-extinct a species, and it would help its ecosystem repair.”
“Yeah, I'd be for de-extinction, but it has to be done ethically and genuinely.”
“Even if you bring back those animals, the world is still fucked and they will just go extinct again.”
“the problem with mammoths is that the ice age is over.”