This is some weird brain yoga you are doing here, mister. Also the cost is the capitalist way of thinking, which as everything has pros and cons. It is not an iPhone is bad thread, it is a thread about anti-consumerism and keeping electronics out of landfills.
Apple was for some time (iPhone 4 era) very easy to fix, I fixed some myself at the time but today it is unnecessarily (even wasting money as you argument) complicated.