And other entries from the same guy can be posted without any problems. FB is saying that their "security systems" detected the link "to be unsafe", but comparing source of that particular post with other posts, I don't see any significant difference (except for the text, of course). Sounds like the text itself contains information which is unsafe (for FB).

> And other entries from the same guy can be posted without any problems.

Well, other entries don't bad-mouth Facebook.

They also did that with links to a respected UK male suicide prevention charity - "The Campaign Against Living Miserably".

https://thecalmzone.net/2015/06/ask-facebook-to-remove-the-b...

That page says it's fixed, but it seems that FB is providing the wrong preview, linking to http://www.thecalmx/ instead of http://www.thecalmzone.net/

This spam filter carries a small risk of death, so it's pretty frustrating.