She supposes that he is right. Most of them, besides the people, return as if they were never killed to begin with.

"Yeah you could say that." It's not like Ren did Sumire herself wrong, besides maybe the one in his own reality. She just hates him for that and for what he did to Sparrow. Hates that it's probably not on his mind to even apologize he seems so wrapped up in his own self pity.