When I read this, the first thing I thought of was an incident three years ago when one of my best friends got food poisoning and needed to go to the ER because he'd been throwing up for several hours. Ironically (in the context of 'this is only a job for significant others'), his wife was out of town and SHE was the one who called me at 1 in the morning to ask me to take him to the hospital. I have no doubt that if our situations were reversed, either one of them would not hesitate to do the same for me. Would I call my boyfriend first? Probably. But anyone who thinks that being in a relationship is a guarantee that someone will always be there at 1 in the morning so you don't need other friends, is sadly deluded.
The second thing I thought when I read the Jezebel piece was that no one in their right mind would call these people friends but worse, they don't even sound like very decent human beings. Forget boyfriends, best friends, family, or whatever other relationships you might call on first - when push comes to shove, I think a truly decent human being will help another human being in need. OK, maybe I wouldn't call some random stranger to pick me up at the hospital at 1 in the morning, but I can imagine a scenario where every person I would normally call was, for some reason, unavailable and I might call someone much further down on my acquaintance list. Maybe I'm being too pollyanna but I honestly think that most of the people that I associate with in any dimension would be willing to come. They might be bewildered why I was calling them and they might not be excited about it but I can't imagine someone flat out saying "No, I just won't." Is that naive? Would you help someone out who asked, even if they were not someone you considered a close friend?