His affairs have been going on for months or years, so much so that various places knew about it, did nothing to stop it, and didn't leak it.
I think it's a fair question to ask "why is this all coming out together now?" Nobody seems to know. In the absence of any other explanation, suggesting "hit job" isn't absurd.
1. Got too well known to hide
2. Republicans just badly lost the midterms. There is a lot of info that the President and head of Department of Commerce also knew about all of this the entire time and did nothing. They won't be able to stop investigations, and they don't want to be seen as getting in the way of them.
If that's true, the bigger story is not just that Jensen did all this, but that the administration likely knew he was guilty of Espionage and actually helped facilitate it by knowing but not acting. That is a real possibility.
To clarify, there is a possibility that the President of the United States and members of his team knowingly concealed and aided Conspiracy and Espionage against the United States.
The Chinese government wants Chinese companies to buy Chinese chips.