One problem that I will point out is the add doesn't say who they are comparing themselves to when they say they can be good. I assume they are comparing themselves to other humans. "At least I'm not a murder". Here is the problem, is God grading on a curve or is there a standard to adhered to before we can call ourselves good. For example, if I break a few or a lot of the ten commandments, can I still call myself good?
If the Bible says that all have sinned and fallen short of the glory of God, then is it even useful to compare ourselves to others? Jesus reportedly said "he who has no sin cast the first stone". Which means we are all guilty, not some guilty and some good.
Actually yes, if you broke a few of the ten commandments you could be good in the eyes of the law. For instance, worshiping false idols is not against the law. Working on the sabbath is not against the law. Coveting your neighbor isn't against the law either. The only commandments that actually make it to law would be the obvious ones like, murder and theft. So, we do in fact get our morals from other human beings. And so do you.