In a word - Too much Data, not enough analysts to wade through it. The amount of ingested data from various fire-hose feeds was (is?) staggering. The Signal to

In a word - Too much Data, not enough analysts to wade through it. The amount of ingested data from various fire-hose feeds was (is?) staggering. The Signal to Noise ratio makes it practically impossible for any nation state to properly go through each and every 'flagged for human analysis' entry. Metadata analysis (who was in contact with who and when) are more than sufficient for prosecution and hoovering up the loose ends (after the fact). Parallel construction neatly masks some of the more interesting stuff. I am Pro Privacy but still keep in touch with those that deal with this sort of stuff and the latest fad is "ML/AI will solve it for us". Good luck with that because - What do you use as a training data set?