I'm under the impression that in the USA copyright doesn't protect rule systems[1]. I imagine a clean rewrite of the SRD would be relatively straightforward. I

I'm under the impression that in the USA copyright doesn't protect rule systems[1]. I imagine a clean rewrite of the SRD would be relatively straightforward. I expect it would take some lawyering to make sure it was done properly, but it clearly can be done. I also know from people in the legal business that Hasbro is notoriously litigious. They will happily drag out a suit and make it as expensive as possible even when they don't really have a case. [1] https://www.lexology.com/library/detail.aspx?g=05891d4f-1658-4f00-884f-8310cfeb4b0f https://www.lexology.com/library/detail.aspx?g=05891d4f-1658...