>>copylefted software invites scrutiny such that one must constantly prove that every feature of the software can be directly linked to published source code ch

>>copylefted software invites scrutiny such that one must constantly prove that every feature of the software can be directly linked to published source code changes. Any failure to do this can result in costly and distracting legal actions. Well, where I live the burden of such proof is on the accuser. I am not aware of any case as you describe [but I could be wrong].