I'm due for an upgrade at the end of October but I have the option for pay extra for an early upgrade which is what I will probably do. I will most likely sell my 6 Plus and get the 6s Plus on upgrade since I still have to pay for it.
Not meaning to start a phone war here but of course you would say that. You would say any version the iPhone is pointless. You clearly like android judging from your profile picture lol.
I slightly agree with you on that depending on what phone you have.. Like if I had the iPhone 6/6+ I wouldn't get the iPhone 6s/6s+ same goes for the iPhone 5/5s.