Complaining might make you feel important, but that in itself does not add value to yourself or others.
So should we stop complaining? Yes, if we can but at the very least try to have a solution for a problem when you complain about something, someone or someplace. Complaining might be a birth right to most and a privilege to some. If you hold that privilege then make the most of it to bring about a positive change. Make your complains matter that will make a difference to someone.