Corporate America my friend, if there's a dollar to be made, someone will find a way to make it.
It is marketing at it's finest. Let's not forget that we buy new vehicles, snowmobiles, ATV, etc... and the list goes on...

What ever we are replacing is not the "latest technology", is how it's sold, got to have the latest and greatest.
Heck there are still a lot of 80's and 90's pick-up trucks around that still work fine. Have you bought a new one lately?
Another example is I have a friend that hunts with a 1982 Hoyt compound bow and has killed more deer than me, with my fancy Matthews bow that shots around 240'/sec.
The old Hoyt shots 172"/sec.
If it ain't broke don't fix it!