macOS RDP - Use All Monitors Display Option STILL BROKEN in 10.7.4, 10.7.5, 10.7.6 and in beta

The Use All Monitors option in the PC Display tab has been broken in 10.7.4, 10.7.5, 10.7.6, and is also broken in the 10.7.7 (1986) Beta. The fact that it's still broken in the beta leads me to beli...