In the climax of 4, you confront Solas and in the cutscene leading to the final boss fight, you something that that pierces Solas's calm and sophisticated attitude, and bring out the monster that's been hiding in him. He drops this persona and glares at you angrily. In a fit of tranquil fury, he starts accusing you or other people of being too weak, evil, or foolish to do what's "right". If you're an elf, he accuses you of being a disgrace to your people. He then asks who are you to question his tactics, when he is going to bring peace and freedom for the elves. Then he orders his followers to kill you and joins the final battle.
What should this be? So far, I've got accusation of being no better then his fellow "gods".