This guy is a notorious troll/schizo who has been at it for years. He's had ample time to back up his claims with some evidence but never has.
Of course you are welcome to give him the benifit of doubt and try to engage with him in good faith. I sincerely doubt it will lead anywhere, many have tried before you with no productive results.
Of course you are welcome to give him the benifit of doubt and try to engage with him in good faith. I sincerely doubt it will lead anywhere, many have tried before you with no productive results.