Citizens will be banned from certain jobs with severe penalties for breaches.
Therefore execs with dualcitizenship might choose to give up US citizenship and keep their jobs instead. But no-one will take their US citizenship away.
The article is highly misleading and misrepresents the situation.
For instance [1]:
"For many senior executives at Chinese companies, the rule will likely force them to decide between their jobs and their U.S. citizenship or permanent resident status,"
This is the correct, accurate take on the issue, which is being distorted in the article you posted.
No-one will be stripped from their US citizenship.
[1] https://www.wsj.com/articles/american-executives-in-limbo-at...