1) They bring their investors in to see their projects first-hand and demonstrate detailed technical knowledge. 2) The local managers of projects are clearly of a superior order and know the projects inside and out. 3) Their employees are provided with amenities. Why would a scam do that? 4) Their projects are landscaped, suggesting perpetuity. 5) They don't spend a lot of money on fluff and IR 6) We see their advertisements in newspapers for real jobs (Somebody else's turn)