Why do you say that? It’s possible, albeit not common, to be completely good and not mess up. It’s impossible to be bad the whole day for every day of your life. A guy like that would be institutionalized.
There’s a story about a Kofer who joked to the Noda Beyehuda that he transgressed every Issur in the Torah besides suicide. The Noda Beyehuda answered him that it’s a good thing, for then he would have been doing a Mitzva of Bi’artah Haraah Mikirbecha.