It’s almost like the majority of developers write code to make money.

But now you successfully filtered most of the people that don't. And there is tons of quality software without a business incentive aside from the fun to create said software. Happens, since part of software development is a creative (non commercial) enterprise. I would write more free software too if I didn't need to pay rent. Of course free software cannot be the only model, but as I said, you won't find much of that in app stores.

they sure do. kinda sad that they mostly use functionality from the foss ecosystem created by the minority that doesn't.