You should be able to change the amount of ram and ssd storage. If Apple took their environmental stance seriously they should enable that for all their devices. There are other ways to collect your money by them. Hope greediness is something from the past and 2025 will be the one of innovation.
If you care about the environment above all else, just pay Apple what they want. Or are do you think your own money is more important?
Apple wants to make money, you want to save money. You are just the opposite side of the same coin.