You can find it not useful personally but still leave a positive comment for the creator who is sharing something they made with the community. "Subsidize what

You can find it not useful personally but still leave a positive comment for the creator who is sharing something they made with the community. "Subsidize what you want more of, tax what you want less of". If you want people to share their creations, be more encouraging/positive. If you don't want people to share their creations, be more critical/negative.