@david_chisnall Maybe a better analogy: imagine we only had trains and last-mile delivery on horse carts

For 30 years, nerdy rail engineers (on their days off) have tinkered with door-to-door rail networks. They build impressive examples in their back yard – tech that becomes light rail, and is absorbed by existing rail companies

Buses and cars are invented and solve the last-mile problems. They crash due to flaws and operator error all the time.

The backyard rail engineers are angry.