Wiping things out full-stop is difficult - look at myxomatosis application in Australia. "Deadly [to rabbits] disease kills rabbits. It's completely expected,

Wiping things out full-stop is difficult - look at myxomatosis application in Australia. "Deadly [to rabbits] disease kills rabbits. It's completely expected, not amazing at all." And yet, rabbits have regained a significant foothold in Australia, despite myx absolutely decimating the population in the 50s. It's not just about micro-scale effectiveness, it's about effective timing and implementation. Same goes for AIDs meds in Africa, or forest fires.