Nice screening process for the company that knows everything about you.
Meta employes 60,000 people according to a quick google search. I promise you there are plenty of Meta employees who have hobbies and interests the employer doesn't know about.
Which isn't to say it's never been used in a double entendre with its more common meaning. See, for instance, the theme to Shaft[1].
[0] https://www.quora.com/How-did-the-term-private-dick-for-a-pr...