Andreas disagrees with you.

"During that call I explained that I could only be involved as a technical advisor and that due to my limited time I could not endorse N&B with investors or take on a director position that would involve fiduciary or oversight responsibilities."

"I had no insight into finances, no oversight, no involvement in marketing or investor meetings, no contact with customers, investors or regulators. "

http://antonopoulos.com/2014/04/18/neo-bee-a-statement-by-andreas-m-antonopoulos-a-consultants-perspective/

In what sense did he vouch for them more than this is an interesting company that could be big and be a viable and valuable business? In what sense did he vouch for them more than any other employee who didn't know the particular finances?