People don't understand that these trust networks are only as strong as the weakest link. Even with everyone having good intentions, they don't understand that people can be blackmailed, have mental health breakdowns, etc.
Or, more cynically, this guy was destined to be scammed and the internet in short order put him to the test. One has to think though that if it were a local scammer we would not be talking tens of millions of dollars.
And while we're at it, find the business owners of the auto dealerships in any metropolitan area. These families and the ones that own the largest construction contractor companies are the lesser-known millionaires living in our midst that might have large bank accounts.
And who knew small town church coffers might have millions lying around.