?

There were no genocides there; all her "crimes" are limited to espionage and participation in the war. Her "disappointment," which you mention, is understandable because they are at war... Shura, unlike her, had specific plans/hopes to betray her to the enemy based on personal motives, which went beyond the scope of military operations.
Renfa wanted to object to what her beloved was saying and accept punishment with him, but she stopped only when she understood his intentions.

In short, as always, the best people are slandered, and the victors write history as they want.

The "Hero" turned out to be the only cultured person, as always.