I was saying it was a PR move instead of a useful mitigation, not that it was useless. The data was also there for facebook to analyze already, and they are in a much better position to do so than an end user. (Geographic info in the facebook API might be somewhat usefull for research. )
We will be able to analyze the trend of an uptick in foreign trollies in the runup to the election and make statements about who the trollies favor
Well, that doesn’t sound like it’s prone to manipulation by a sophisticated adversary at all.