More will die regardless of if he's executed immediately or not. The type of change you're talking about is a slow, complicated process that will see people killed both fighting for and against it.

[ He notes her weariness, as well as the hint of more, and he doesn't envy the position she's in despite knowing what he'd do if caught in a similar one. ]

What's there to build? It's already been built, and it's crumbling. At the rate things have been going, you may as well tear it all down and start over.