I don't really understand the author's claim that... https://il.linkedin.com/directory/people-a-1/ https://il.linkedin.com/directory/people-a-1/ ...contains l

I don't really understand the author's claim that... https://il.linkedin.com/directory/people-a-1/ https://il.linkedin.com/directory/people-a-1/ ...contains links to all public LinkedIn profiles. I looked for a bunch of people I know with public profiles and they weren't in there (and neither was I).