Diminishing returns depends on what you value though. Do you value shutter lag? Support? Product ecosystem? Video quality? App ecosystem? Accessibility feature

Diminishing returns depends on what you value though. Do you value shutter lag? Support? Product ecosystem? Video quality? App ecosystem? Accessibility features? Build quality? Software updates? The divide is as small or as big as each independent person makes it. But on average many people clearly see value in different product segments. The trouble with discussing it on HN is that this is the exact wrong demographic for this. This is the site that discussed Dropbox by saying people could just use rsync. That routinely suggests technical workarounds to any project posted. many people will pay the extra money to not care.