Lists of crisis hotlines across the world: (Crisis Hotline) https://en.wikipedia.org/wiki/Crisis_hotline#Telephone_counseling
(Helplines, Suicide Hotlines, and Crisis Lines from Around the World) https://www.therapyroute.com/article/helplines-suicide-hotlines-and-crisis-lines-from-around-the-world
I dunno. I was suicidally depressed all day every day for nearly 20 years, and there were people I love who were very consistently supportive. As always, ymmv, but saying it has no basis in reality is false. If the human actions in this post did not exist, I would be dead. Instead, I made it to middle age.
It doesn’t always happen, but there are people that back up feeling the way the post describes with action.