It's not like we're snapping our fingers and making an irreversible change to the whole planet. We can and have been testing this process in isolated cases and if anything unexpected happens we can stop the process and reintroduce the species, but we actually do have a pretty good understanding of ecosystems.
Mother nature does not have your best interests at heart, and decisions that affect the lives of millions should not be made based off short maxims.
> We can and have been testing this process in isolated cases
Anytime you jump from the lab to the real world it's going to be different. And each ecosystem in the country and state will be slightly different.
> if anything unexpected happens we can stop the process and reintroduce the species
Has this been done before with insects though? This sounds a lot harder than reintroducing wolves at Yellowstone that are small enough in number that they can be monitored.
Mother nature does not have your best interests at heart, and decisions that affect the lives of millions should not be made based off short maxims.