We’re dealing with 4th Dimensional beings whose goals for the longest time is to try and find a level of independence. Now their Emissary has just quit her job and they need a new one. If Lodi killed JFK, it was probably some test or manipulation by the Nine in an attempt to examine his suitability as a possible replacement to the Emissary. And at the end of the day, an alternative history, even if it’s based upon our own, isn’t going to harm anyone. There are games about -blam!- winning. Hell, the CoD games use a bunch of real world scenarios. Yet people don’t complain about them being “inappropriate”.