You’re much kinder than I. I think the term “self-centered arsehole” applies here.

How dare someone have the audacity to create a program that isn’t useful for YOU, the person around whom the entire universe rotates!

Seriously, though, the creator is volunteering their time and energy to create something for the greater good, even if you can’t figure it out. If you can’t invest the minimal effort to not shit on it, invest the even smaller amount to fuck off.

Is this a serious question? What interview, a meeting specifically to scrutinize someone and compare them to their peers, isn’t stressful for candidates?