Fokker VH-UMF, Stinson VH-UHH, Viscount VH-TVC, Visccount VH-RMQ, Friendship VH-TFB, Seminole VH-JQF, Travelair VH-AEM
How do any of these (apart from the last two, and that's tenuous) have anything to do with this discussion? None of them were caused by a shortage of ATC or by airspace being downgraded.