Wow that's a bad one, I never even knew about it, thank you for pointing that out. And yes, he's probably worse, with Pons & Fleischmann I never managed to rule out that they themselves were 'true believers' that had deluded themselves rather than fraudsters. But with this guy there is little doubt.
Oh yeah, he is absolutely fucking wild. There's a great documentary on him, here's part one, the other two parts of the documentary are also on YouTube on the same channel: https://youtu.be/nfDoml-Db64