[colechristensen]

It means that AI is going to be sequestered to buildings with big unfriendly signs at the door "No Foreign Persons Beyond This Point" and data will have to be managed in ways similar to medical, financial, legal, or payment data.

Long ago I worked in defense and had some export controlled hardware (unlocked/no restriction high performance GPS and satellite technology)

What it meant was that to work on our stuff you had to be a "US Person" and "export" could be a conversation with the wrong person. In practice it meant the work couldn't be shared with students from a short list of countries. The punishment for infractions could be as little as recording and notification and as severe as significant prison terms. "Export" happens quite a lot and usually consists of innocuous mistakes.

[ETHisso2017]

But given the broad definition of AI and semiconductor design, however, and inclusion of other technologies like "Logistics" (seriously, the whole category, not a subfield) within emerging technologies list, wouldn't this, in practice, make whole companies no-go-zones for Chinese H1-Bs?

I can't see Intel or Applied Materials or even UPS having Chinese H1-Bs around in the future. While there are some here who wouldn't mind having a Chinese Exclusion Act in their industry, I'm hopeful a majority of voices here will see the problem inherent with moves like this.