Architect of the original Open Gaming License, former VP of Wizard of the Coast, Ryan Dancey:
Yeah my public opinion is that Hasbro does not have the power to deauthorize a version of the OGL. If that had been a power that we wanted to reserve for Hasbro, we would have enumerated it in the license. I am on record numerous places in email and blogs and interviews saying that the license could never be revoked.
Architect of the original Open Gaming License, former VP of Wizard of the Coast, Ryan Dancey:
(source)