> Their only purpose is to encourage customers to buy from these companies. No, you are assuming too much. People who do this are typically not interested in b

> Their only purpose is to encourage customers to buy from these companies. No, you are assuming too much. People who do this are typically not interested in boosting Apple's sales at all. They merely want to make a good use of a good hardware. In general, the ignorance or inability to understand why something is being done does not imply that it in fact is pointless. For instance, I do not fully see well into the physics of the general relativity. But that does not entitle me to imply that the people who dedicate their lives to exploring this field are wasting their time.