There’s been several lawsuits’ worth of material uncovering highly preferential treatment afforded to Spotify by Facebook, which both parties pretended didn’t exist. I’m sure a Google search can help you out with this one.
As for your second comment, well... You’re aware that the parent post is a website that was specifically created to ax-grind, right?
And I'm not shocked about your comment, as I don't really believe it. I don't think HN should be a place to spread gossip and possibly lies like this.