mosquitos

Natural predator: designed in an office, built in a factory.

Humans are our own worst enemy.

Well, that, and as the other commenter said, mosquitoes.

Really, the cars just sit there and do nothing until they're driven by a person. So it's not so much the cars that kill people, but people that kill people. If you want people to stop being killed, you need to kill all the people. Maybe we need a new community called Fuck People... Wait... No... That'll just make more people...

The cars themselves are but a symptom of the issue. The real predators are those who push street design that prioritizes vehicle throughput over safety. The real predators are those who push vehicle designs more deadly for pedestrians but "safer" for passengers who feel like they're in a tank. The real predators are those who believe there is a non-zero number of avoidable innocent deaths that's an acceptable trade-off for the bottom line.

Kevin McMansion in his suburban house with a lifted F-250 is victim to a parasitic infection. It's the car lobby primarily responsible for those memetic brainworms, but their playbook is endemic to our way of life. When Kevin kills a toddler backing out of his driveway because the backup camera is 3ft off the ground, that child, Kevin, and their community pay the price (death, trauma, pain, guilt), but the industry has successfully turned this scenario into nothing more than one of many externalized costs of doing business.

It's artificial