Debate and consensus is the point of the UN. However, the US continues to use its veto in the UNSC to block resolutions related to Israel... Consequences are indeed needed, but I wouldn't be quick to blame the UN as such.
Netanyahu is like a spoiled child who’s deliberately annoying the fuck out of EVERYONE, because he knows that there will be no serious consequences. Although Daddy US might pretend to scold him, ultimately, Daddy will give him as many bombs as he wants.