If they meant "Don't sell to China", but they said "don't sell capability X+1 to China", so they sell capability X to China, who's fault is that?
Expecting a US tech company to not behave as per the uber-capitalism that defines almost everything else about how the country is run is just weirdly, unexpectedly naive.
Nvidia and other businesses have been handed an olive branch but allowing them to sell things the US government considers inconsequential to China to make a few bucks. If Nvidia decides to abuse this privilege, the olive branch might just get taken back.
Private enterprises anticipating the political needs of a central government was a tenet of Mussolini’s economic fascism and has no place in American political discourse.
But that is exactly what they did. The acceptable level of exports is whatever the law says it is and Nvidia followed the law. "to get around US export restrictions" is just a sneaky way of saying "to comply with US export restrictions".
Politics created the rules; drew the line beyond which is "bad". Nvidia stayed under the line so as to comply with the rules, and yet "politics" still doesn't like it.
Now, the reasonable thing to do as the regulator - is to acknowledge that the company you were asking for compliance from is acting in a hostile manner and modify the regulation to punitively clamp down on everything they're doing.
What I'm saying is that if I were the US in this situation I would be happily inviting nVidia to comply with the new rules that allows them to export anything above 100nm. Nvidia had their shot at meeting the regulation - the spirit not the letter, they blew it, they can live with the consequences.
Reminds me a bit of the UK banning all psychoactive substances when they got tired of playing whack-a-mole with what the press called "designer drugs", that hadn't technically been banned but which acted exactly the same as things which had been.