Completely made up or inflated numbers, unrealistic timelines etc. Customers or investors buying into it, but if you look under the hood, outside of government subsides and contract, there is pretty much 0 money made from ALL of his businesses.
He's just using the same playbook now, except when people will realize that the 5000$ DOGE checks are bullshit (btw, 5000 x ~150M taxpayers = 750 Billion $...) they may finally wake up.