A second battle ground will be about whether public funding should go to a sport where games are not available to all. The GAA will put the IRFU in front of it when it comes to defending this argument. The problem is that the IRFU does not sell itself as an amateur organisation. Why exactly government should fund sport is a much wider discussion.
One of the biggest issues for the GAA will be how the deal is presented. Almost two decades ago the GAA separated the provincial and All-Ireland championships. It was branded as a back-door for losers. It was sold as a second chance. Yet this is not strictly true. It was a separation of the provincial from All-Ireland series. You can only be beaten once in each championship. Try telling that to most GAA people. How you present the change matters.