[He sighs, giving Steve a look that's a mix of being fond at Steve's stupid optimism, and something that clearly says "wow you're an idiot sometimes, Rogers".] It ain't the people here who're mad at her.
[He doesn't clarify, but the meaning should be clear- it's Elsa herself, who blames herself for all of it. Just telling her it wasn't her fault isn't magically going to make her think so, too.]