Earlier quoted context omitted.
I think it's an unintended effect of Europe regulations. Google saw Apple exploring what's the bare minimum to comply with EU regulations regarding openness. And Google is setting their bar there.
What does it have to do with the regulations? Does they forbid open phones?
This is why it's an "unintended side effect" of EU regulations, as the regulations prompted Apple to find out how much user hostile behaviour they can get away with.