You make an assumption that super simple website is the optimal balance between quality and price. I think that it's wrong. First, minimalistic websites with go

You make an assumption that super simple website is the optimal balance between quality and price. I think that it's wrong. First, minimalistic websites with good UX are not significantly cheaper. And second, if the webstite has a lot of visitors, it makes sense to pay lot of money for even small improvements of the UX.