If you buy something new, isn't it reasonable to expect something is new? Not four years old and soon to be antiquated?
Do you really think a new Mac is like a 20 year old graphing calculator? How about an iPhone or iPad? Nokia phone? Am radio? Is a Tesla different from a Ford model T?
A new pair of jeans isn't going to have some amazing new development compared to the pair you had 25 years ago. Same YKK zipper, etc.