An extraordinary claim needs extraordinary proof. scheduled for July 12. Dennis is an excellent salesman with pathological optimism who is able to convince people to trust him. Dennis makes many serious scientific errors in his presentations. Many scientists and engineers have long told him his theory is fatally flawed. There seem to be no trained scientists or engineers willing to openly argue in favor of Dennis's theories.
Promises can go a long way, as long as wishful thinking holds sway.
Most people aren't willing to help expose what they know is wrong. It's possible to have schizophrenic delusions of grandeur and still function. Someone appearing to have integrity may still not be right. Lots of unverified rumors don't add up to truth. Things that sound too good to be true probably are.