Why do big organizations fail so often?

Big companies often see innovations as a gold mine. Many entrepreneurs think, Have you heard about this new artificial intelligence start-up? Just imagine what we can achieve in this field. Our resources are vast compared to other companies. However, history dictates otherwise, since emerging innovative technologies are often born inside small start-ups rather than in big, stable businesses. This is counterintuitive. Large companies have more resources, people, time, and risk immunity, while start-ups have almost none. Then why do big corporations fail at innovation? The Innovator's Dilemma, by Clayton Christensen (https://www.amazon.com/Innovators-Dilemma-Revolutionary-Change-Business/dp/0062060244), and Crossing the Chasm, by Geoffrey Moore (https://www.amazon.com/Crossing-Chasm-3rd-Disruptive-Mainstream/dp/0062292986), tell a convincing...