This does not surprise me. My personal experience with hedge fund managers is that they are good salesmen that peddle their financial expertise to clients, convincing them of their financial rock-star status (usually gained through a lucky investment or two). Paulson is a classic example. Wealthy individuals buy into it, especially those that are less educated (e.g. those that have inherited money), and happily alloc…
Nothing works forever but there are funds like Renaissance Technologies' Medallion which may just be getting heads for a long time but rather seem to have some secret sauce that works for a long time. Usually though they're not very large and don't seek out investments.
Howw many sigmas divergent is it?