I downvoted both of your comments because I think it's rude and insulting to assume the motivation of someone's work is self-aggrandizing, and to dismiss out of

I downvoted both of your comments because I think it's rude and insulting to assume the motivation of someone's work is self-aggrandizing, and to dismiss out of hand the work might be motivated by technical needs because you can't immediately recognize those needs. I find the attitude frustrating, similar to the other common HN dismissal of "I could build it in a weekend".