Actually it does matter since if his testimony and public statements are admissible in court that the legal team at Hasbro or WotC didn't see a problem with the

Actually it does matter since if his testimony and public statements are admissible in court that the legal team at Hasbro or WotC didn't see a problem with the language of his license then any potential loopholes via irrevocability or some such interpretation would still constitute a valid contract even if they didn't see the loophole (ignorance isn't an excuse if you didn't read your own contract/license that you approved for a given set of content).