if you live on a subreddit so much that seeing the same or similar questions upsets you enough that you need to go out of your way to leave unhelpful comments you should reevaluate your engagement with social media.
And as for your responses, claiming them to be answers is ignorant at best, and as well as those who pose questions cannot choose the ‘answers’ they receive, those who leave unhelpful responses cannot choose the reactions they get when people recognize them for what they are, jaded and unhelpful spam that reveals far more about you and your perspective than anything to do with those who ask their innocent questions