How did CA garner the information? You could write a fairly trivial scraper to pull the public data/relative data they are discussing. So I presume it wasn't t

How did CA garner the information? You could write a fairly trivial scraper to pull the public data/relative data they are discussing. So I presume it wasn't that. How could Facebook be expected to stop people doing that? Also ridiculous over reach from the authorities especially given we know for a fact the intelligence service are doing much worse on an epic scale