Jim Higgins and Sean O Neachtain both have Shannon in their constituencies and O Neachtain has spoken in favour of the protection of Shannon, so I couldn't see much joy.
If anyone wants to write to Sinnott, play up the impact on Cork Airport's ability to offer transatlantic flights. Cork is in her constituency - in fact she's based in Inishannon, which is pretty close to Cork Airport. Also, as an American who is resident in Cork, it might be an issue for her.