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 normally takes decades to build a brand... It's the forgetting of the old truth that allows a person to accept a new truth. You need to allow enough time for this forgetting to take place
Changing the direction of a large company is like trying to turn an aircraft carrier. It takes a mile before anything happens. And if it was a wrong turn, getting back on course takes even longer.
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.
Successful brands get into the mind slowly. A blurb in a magazine. A mention in a newspaper. A comment from a friend. A display in a retail store. After a slow buildup, people become convinced that they have known about the brand forever.