IT IS a hassle for many people. So, they just buy a new phone. This is why apple pushes you towards using them for something that could easily be made replaceable by the owner. The majority of people will not take their iPhone in and get the battery replaced and you know it.

So Apple is not the problem, people who will buy a new phone instead of a new battery are.

They're both to blame. Apple single handily changed the phone landscape to throw away type phones that you can't repair by yourself easily.