The overlap doesn’t have to be that great. The spies are also not random you don’t get random spies matching with random CEOs. They just have to have enough available agents and enough info on the target, physical proximity, and other factors to attempt something to work out. In many cases it’s not something that will be in the news either. It will be just a failed attempt, or just an affair.
Even the most powerful people can be really dumb.
"even"? Barring the fact that power makes you dumber, those in power at least for the last ~40 years or so had been actually selected to be dumber
mr. Huang case here is a shining example
A nerd thinking a woman is into them...that is the fantasy...No she did not happen to bump into you in the elevator, and no she is not there to attend the same AWS conference that you... and oh no... she does NOT happen to like the same SciFi you do ...and no ...you are not ohh so funny...
That
This is literally a state actor running sexpionage (https://en.wikipedia.org/wiki/Sexpionage).
Again, this isn't some low-level clerk that just needs a handjob or some Grindr kompromat--this is the CEO of the second largest company in the world by market cap.
Is it the assertion was that they'll do research on you (which is why having a gambling problem, large debts, or lying during a clearance interview is an issue)?
Is it the assertion that they'll pick a very pretty woman instead of some plain-looking one (which is why historically the NKVD recruited from theater and ballet schools)?
The "Hollywood fantasy" is real, it just happens in a vanishingly small set of cases.
For a truly bizarre version (even stranger than this!), see the case of Shi Pei Pu (https://en.wikipedia.org/wiki/Shi_Pei_Pu).