A laser is a weak source of energy. A laser takes [only] a few watts of energy and focuses them in a coherent stream of light. But with a laser, you can drill a hole in a diamond or wipe out cancer.
The real barrier (to building a brand) is the human mind. It normally takes decades to build a brand because it takes decades to penetrate the gray matter in between your ears.
It's the first company to build the mental position that has the upper hand, not the first company to make the product. IBM didn't invent the computer; Sperry Rand did. But IBM was the first to build the computer position in the prospect's mind.