Self-driving hubris

Humans found horses 30,000 years ago. For the most part, the horses served as food. In South America, horses were hunted to extinction. It was not until 3500 BC that horses were domesticated mostly in the Steppes. Once domesticated, horses were highly versatile and fast land animals that served as great transportation. They were very useful on plains but they also could climb hills and other terrains, just not as swiftly.

https://medium.com/learning-by-proxy/self-driving-hubris-1a3c52a20acf