- LinkedIn has employed "Dark Patterns" for a long time to scarf up your Address Book via your e-mail id. Then unless you are VERY careful you will end up spamming everyone with an invite.

- They also employed a MTM attack on your mobile "Intro App" https://threatpost.com/linkedin-intro-app-equivalent-to-man-...

- Have you noticed that the LI News feed is a high-noise collection of crap?

- and on and on

"Monetizing your users" is rapidly making that site useless for almost everyone.