Wouldn't surprise me; Perhaps containers could be extended to spoof/fuzz some of this data when then the site requests it? OTOH, if this blocks the tracking don

Wouldn't surprise me; Perhaps containers could be extended to spoof/fuzz some of this data when then the site requests it? OTOH, if this blocks the tracking done by facebook's like buttons/forums by preventing their loading outside the container, then I don't think there's anything for FB to go off.