I don't think it's dumb to sue them, depends of the jurisdiction of course, in america for instance it would be costly and utterly useless, but if the case is brought in front of an egyptian court and the judge rules that netflix needs to get shafted and pay up reparashuns to brave egypt, then maybe they'll start to think twice before doubling down on the BS train at every turn and that would certainly highlight the fact that cleopatra wasn't black, since the ruling would likely appear in international news feeds How embarrassing, blowback, side effect, the contrary of what was expected