Earlier quoted context omitted.
Facebook is not being asked to enforce the law. It is being asked to stop doing illegal things.
The point of the parent is that it’s being asked to prevent/impede its customers from doing illegal things. That’s not a ridiculous thing to ask, but it’s very different from Facebook itself engaging in illegal activity.
If you commit a crime because somebody else asked you to do it, does that mean you didn’t break the law?
If Facebook commits a crime because someone asked them to do it, does that mean they didn’t break the law?
How could the answers to those two questions be different?