It wasn't an Obama ad, so I don't see how you connect those two dots. You must have taken the scenic route.
No one on either side take the legalities seriously. Romney and O both have to take the heat for the stuff their super-PAC's put out.
In this case you have the appearance of coordination if not the act of coordination.
They almost always "appear" to be coordinated, because no super-PAC would continue an ad campaign which its candidate denounced.
In this case you throw in the element of the man on a conference call telling his story to the official campaign heads and a few months later you have a Super PAC ad.