It doesn't matter whether these people can atone for their crimes, the key is that Hudson needs them to risk their lives right now.
What happens after the war, is a matter for after the battle. The first thing they need is to guarantee that they can survive until the war ends then they're qualified to consider post-war issues.
...
"Your Highness, Crown Prince, we should leave now."
Count Jose pleaded earnestly.
Since the defeat, the Crown Prince Caesar who embarked on the road of escape, seemed like a completely different person.
At first, he was furious, then he burst into tears, and finally, he became silent and taciturn.
A young rookie, who had his way for more than a decade, was always instilled with the belief that he was the best. The sudden and intense defeat had a great impact on Caesar.
However, this is an essential part of the life of every monarch.