Edit. Yes this is an emotive argument designed to jar people into looking at the consequences of dithering. It is fine for us rich to worry about possible unintended consequences, but doing so has a terrible outcome for real people [0].
0. For the record we already know what happens when you remove the particular species of mosquitos that transmit malaria from an ecosystem as we have done this using pesticides in the places rich people live. The answer is nothing other than people stop dying of malaria.