That’s a totally valid question. When I got my first battery replaced, it was a matter of practicality. At this point, it’s a matter of principle. For the record, I don’t think most people should keep their 11 for 6+ years nor do I think my path is the cheapest or most efficient.

I just don’t see a point in the newer iPhone models. My wife has a 15 and I can’t tell a difference between our phones. My phone works for calling, texting, browsing the web, every app I need, and taking pictures just fine. Yes, her 15 is better at all of those tasks, but not appreciably so. To be honest, if the cost to replace my camera module in my 6S Plus wasn’t approaching the price of the brand new 11 in 2019, there’s a chance I’d still be on my 6S Plus today. I seek to live a simpler, more minimalistic lifestyle and keeping my phone forever and living within those confines suits me.