I fully understand that some people trade phones every year, and some people trade even sooner, but these people aren't the norm.
My theory is really simple, and very factual, all batteries degrade and many degrade really fast. A removable battery that is easily replaced gives anyone a option to keep their phones operating at the optimum level without having to send it anywhere to be replaced or repaired.
I've owned several phones that have had bad batteries in them, and had to go through the hassle of having them replaced with a refurbished one.. And I am not alone in this.
While the Carriers and manufacturers would love to see everyone change phones earlier than necessary, having a replaceable battery is keeping them from getting their way, and why they are pushing sealed backed phones.
All of the bs that has been spewed about needing it to get water resistant phones, thinner designs, glass backs is just that.. BS... just like needing it to have wireless charging too, since Qualcomm already has figured out how to implement this with a metal backed phone.
It's all about their greed and bottom lines and everybody from tech writers to reviewers have fallen for it.
The reality is we can have our cakes and eat them too but we never will get to.
Mac