Earlier quoted context omitted.
I would expect most animals that still exist to at the very least not be a major threat to humans - because if they are, they tend to cease to exist.
Depends on your definition of major . Mosquitoes still exist despite nearly a million people dying from the diseases they transmit each yaar. Stray dogs in India are responsible for tens of thousands rabies deaths annually. Yet it's illegal to cull them.
The mosquitoes are being worked on.