It demonstrated that the requestor had not put in even the minimum amount of effort to identify the data present in the paper and lacked an understanding of how

It demonstrated that the requestor had not put in even the minimum amount of effort to identify the data present in the paper and lacked an understanding of how the entire domain and process worked. It is similar to going into a restaurant, ordering something that is not on the menu, and then being outraged that there's no wonton soup at the hotdog stand. The second response was also very rude. If someone is screaming at you that their taxes paid for your work, it is never polite.