He has in fact several times lied. But trying to reason with idiots were people that have an agenda is basically impossible.
Have you even tried? Just state the facts and let everybody see the truth.
But I already made the offer to discuss this with you in private and to tell you all sorts of information if you have any questions.
This is highly suspicious. Usually when people don't want to discuss in public, they have something to hide.
Steem is actually great platform for this kind of discussion because nobody can delete anything. If somebody lies, it's recorded permanently in the blockchain.