They grant themselves a nonexclusive, perpetual, irrevocable, worldwide, sub-licensable, royalty-free license to use the content under the new OGL for any purpo

They grant themselves a nonexclusive, perpetual, irrevocable, worldwide, sub-licensable, royalty-free license to use the content under the new OGL for any purpose and they can revoke your license for any reason provided they give you a 30 days notice. You would have to be crazy to agree to that. Hasbro can literally tell you you have 30 days to pack then sell your product as their own.