The entire album "Songs of Innocence" was forced onto everyone's iPhone, whether they wanted it or not. Apple thought they were doing everyone a favor. When some people deleted it from their iPhones, it came back on its own.
"You're going to listen to this U2 album, and you're going to like it!" -- Tim Apple
Hard to believe it, but that was over a decade ago already.
I logged into my old Apple account for the first time since 2013 yesterday and I was like "Why do I have a U2 album?" and then I was like "Ohhh..."