Global databases of professional networks of ppl is "state security" grade. Does anyboy realize that linkedin can give msft(= vanguard/blackrock) a global view

Global databases of professional networks of ppl is "state security" grade. Does anyboy realize that linkedin can give msft(= vanguard/blackrock) a global view of the professional networks of ppl related to a business prospect? Does anybody realize how this give msft a significant and unfair advantage? Why would it be different with the others?