Yes. DDoS is always wrong. We should not start a culture of DDoSing people we don't like (even if the dislike is completely justified). A nation state may play

Yes. DDoS is always wrong. We should not start a culture of DDoSing people we don't like (even if the dislike is completely justified). A nation state may play tit-for-tat with another nation state but they will assess the consequences and act accordingly.