I wonder how such a joke questions sometime end up in the top of Ask HN. While serious and relevant ones (like https://news.ycombinator.com/item?id=33693376 And others much better) drown with near zero attention.
It's a serious problem, wildlife is disappearing because of millions of cats: too many predators in the wild. If you develop a product that stop cats killing everything, people will probably buy it. You know, ecology and climate change are in the air at the moment. I'm asking here because people have products idea and know how to develop products.