Liability waiver are not the end all, be all of legal action. If the company was negligent that is not going to be covered in the waiver. There are also other caveats that may be relevant to if the waiver is valid and enforceable. I’d be curious about which jusisdiction’s laws apply.
He was conning himself too. He was too excited to be doing something that he didn’t care to listen to warnings or heed regulations. He wanted to be a trailblazer, but his eyes were bigger than his plate, if you will.