That would be worse than nukes. We already see what UN and UNSC has become. Even hearing the “one world” government gave strong star wars vibes even though I didn’t need to go that far.
We are designed (or destined, if you want to say so) to be fucked and fuck up everything on this earth faster than we thought maybe even just 20-30 years ago.
The earth will survive humans and we will be nothing but an archeological record. Fucking things up is subjective. The great oxigenation event also really fucked up the planet, subjectively, wiping out millions of species