Do you actually believe that ? Are you really that uneducated? ... or is it just stupidity?
If that were the case, then you could buy the iPhone 5 the day it goes on sale and you wouldn't be content with it, because you wouldn't know of the next iteration.
A person can be perfectly content with an item while having no knowledge of the next generation. (...or of other currently available options.)
You'd do well to invest $14.95 in a dictionary.