I don't work in this industry (thankfully), but why work at a megafirm like Goldman Sachs or even the less elite ones like Morgan Stanley when you could work fo

I don't work in this industry (thankfully), but why work at a megafirm like Goldman Sachs or even the less elite ones like Morgan Stanley when you could work for a cool boutique rocket scientist company like D. E. Shaw or Jane Street? (Jane St uses OCaml very heavily.) You'll have trouble finding good software people as long as you make them work deathmarch hours and treat them like glorified typists while acting like hypermacho traders are gods. They will have problems as long as they view technology as a depressing cost instead of an asset.