Your argument is intended to be stronger than “I have never claimed that Jesus was deluded…” What you are claiming is that Jesus was inconsistent in his teaching and that, in itself, is enough to show He could not have been God.
Actually, it is you who are being inconsistent. Logically, it adds up to:
- If Jesus claimed to be God and he wasn’t, he was not necessarily a lunatic but could have been deluded.
- God would not be inconsistent.
- Jesus was an inconsistent moral teacher.
Conclusion: Jesus could not be God, therefore he wasn’t necessarily a lunatic, but he would have been deluded. (Which implies if he wasn’t a lunatic then he was deluded.)
That has been your position all along, yet you say: