https://investinglive.com/stocks/trump-disclosed-up-to-1-6-million-in-nvidia-stock-buys-as-he-honoured-ceo-jensen-huang/

Of course he fucking knew. He doesn't actually care if China gets the tech, he just wants to be seen as being "Tough on China." That's it, that's the play, and he abso-fucking-lutely knew they were breaking the law.