So Facebook’s ad division makes up fake people to simulate advertising effectiveness, and intelligence services mistake the fake people for real ones (after all, they have Facebook accounts) and uses them as cover identities for spies, and the people at Facebook are very confused as to why their fake people are turning up in the real world, and conclude (erroneously) that their ad data simulator is simulating what the Facebook pages of people that do actually exist but weren’t Facebook users would have looked like?
So Facebook’s ad division makes up fake people to simulate advertising effectiveness, and intelligence services mistake the fake people for real ones (after all, they have Facebook accounts) and uses them as cover identities for spies, and the people at Facebook are very confused as to why their fake people are turning up in the real world, and conclude (erroneously) that their ad data simulator is simulating what the Facebook pages of people that do actually exist but weren’t Facebook users would have looked like?