Banks are dependent upon models of all kinds. This is because reality is much too complex for us to understand well enough for perfect predictions of the future. Models are used as a simplification of reality.
In this summer’s blockbuster movie “Edge of Tomorrow,” a PR executive played by Tom Cruise goes through innumerable time loops to become a soldier by being reborn every time he is killed. In the context of software startups, successful products are built through repeated testing and improvement. Those that can do the most iterations without dying become the needle-movers.