Best was in quotes because it's subjective. If the people in charge of designing a product perceive a similar product's design to be the best, then they will co

Best was in quotes because it's subjective. If the people in charge of designing a product perceive a similar product's design to be the best, then they will copy it. Similarly, if the people paying the people in charge of designing a product perceive a similar product's design to be the best, then they will pay those people to copy it.