You are making correct point. Most case studies are kind of lobbying effort to change opinion of decision makers. Sometimes it is done via developers instead of

You are making correct point. Most case studies are kind of lobbying effort to change opinion of decision makers. Sometimes it is done via developers instead of reaching to CIOs directly which Gartner quadrant does. And I think this is all fine as long as people understand it is just opinion sometime of people who are more accomplished. Arguments occur when someone comes in and tell, how they language/Framework/technology is "objectively" superior other people's working solutions.