It's Earth, not a deployment you can rollback, we don't get to play that game.
We're talking hundreds or thousands of years before we'll know how bad we fucked up. Almost every life forms on the planet are linked one way or another, every changes has an impact.
Remember when DDT, asbestos and lead plumbing were harmless to humans ? Then they were classified as "could" be dangerous or "may" be harmful. Now they're straight up banned everywhere.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5918521/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4780651/
https://www.scientificamerican.com/article/from-fish-to-huma...
https://www.healthline.com/health-news/how-dangerous-are-mic...
https://en.wikipedia.org/wiki/Endocrine_disruptor
https://environmentjournal.online/articles/microplastic-poll...