Not sure what you mean by “responsibilities are a function of scale”. “With great power comes great responsibility”?
Like I said, it is a good article, about an important topic, but you already knew that. I mostly agree with you - not that my opinion is particularly important. It prompted me to comment for only the second time.
Nothing you allege was missed, and indeed it was considered at length in the longer series on these topics:
https://infrequently.org/series/browser-choice-must-matter/