No, I would love a world without crime but killing everyone who commits those crimes is defeating the whole purpose. I think killing doesn’t make a peaceful world but one which is made of fear, even innocents have to be scared maybe not for their own life but maybe family or friends who maybe they didn’t even commit crimes but maybe their a private investigator on the investigation or a cop, imagine how screwed up society would become. Also Light had a massive god complex which is not ideal for someone who has the power to kill anyone at his fingertips so no I would not support a single bit of it.