He himself says that he does not know the reason why. It could be because of his involvement in cURL, it could be a mix-up, it could be any reason, really. As l

He himself says that he does not know the reason why. It could be because of his involvement in cURL, it could be a mix-up, it could be any reason, really. As long as there is no official statement or any other formal reason, this all remains speculative and consequently unfit for solid arguments against the US immigration policy in this specific case. Disclaimer: I am a European citizen and by no means in favor of recent immigration policy changes of the US.