Citation needed. How much value does intimate knowledge of individual preference and habit have for psyops? How much of an advantage does China gain when they convince a democratic electorate that their actions are no big deal?
If China had it's way, they would not 'invade' Taiwan either, we would wake up one day and realize the process happened over 20 years and that Taiwan is under CCP control.
And that Vietnam, Singapore, Philippines, Japan, Korea are also subject to arbitrary power of the CCP a little bit like Lukashenko in Belarus is a stooge of Putin.
That's what the surveillance is for.