You assume this is talent. Thats not at all the case. Most are mediocre workers who came in as masters students and got OPT and h1b eventually with PERM.
The talented workers can always apply for the O1 and get approved
The talented workers can always apply for the O1 and get approved
O-1 is also easier to get in fields like academia and entertainment, where everyone is building their individual brand. Corporate employees have a harder time qualifying, because their contributions are rarely attributed to them in public.