Why did Kodak had to file for bankruptcy? Why is Apple, originally started as a computer industry, able to disrupt almost any branch of industry (from music, books to television)?
Remember the story of David and Goliath. Although Goliath was bigger and having the better weapons, all David needed was a stone and a catapult. Or as Clayton Christensen puts it: “All you have to know what is needed to get the job done.”