Darwin remembered well that he had been selective and thought carefully about all the material that he would present today. Also, Rama has also assessed and even evaluated what things he needs and doesn't need to convey in the determination presentation.
Realizing that he has mastered all the material. Darwin had never been this confident before. He even believes he can perform optimally and qualify to become one of the candidates who won the Foxtail tender.
Especially during the question and answer session, he was able to bulldoze all the questions addressed to him. So, what else is missing? Why did Darwin have to be left out like now?
Still...