Yes, cringeworthy but at least not addictive! Its like facebook all those years ago, i can IM friends from highschool without having to pay any attention to the feed.
Its "non toxic" insofar as people refuse to risk discussing controversial non employment related topics.
Its super toxic insofar as "10 ways to herd your HR cattle to the productivity slaughterhouse" is just an average, uncontroversial self promo article.
Perhaps the solution to breaking the destruction of society via engagementmaxxing may be to make things cringeworthy!