I am deeply horrified at the mere prospect that this needed to exist at all.
But still, the thought of being propositioned on LinkedIn makes me shudder in discomfort.
Also, some boundaries are socially fluid; some people think it's grossly inappropriate to use what is obviously a professional contacts site for romantic contacts, and some people (https://futurehappyself.com/2017/09/24/i-met-my-husband-on-l...) do not.