Quran (2:216) – "Allah Knows And You Don't Know"
I don’t think this is referring to people who genuinely did not understand the rationale. It is either munafiqoon or people with weak faith who were looking for an alternative to avoid an all out war on the premise that this will cause destriction and chaos, while knowing that this war is inevitable to quash persecution done by Quraish. Verses do not direcly say who are the addressees but the context from Verse 214 indicates to such people who are of weak faith and/or munafiqoon.