Right -- you also have to consider left-turn cycles when the cross traffic is stopped but pedestrian signals will still be indicating "Don't Walk", and right-tu

Right -- you also have to consider left-turn cycles when the cross traffic is stopped but pedestrian signals will still be indicating "Don't Walk", and right-turn-on-red where you're counting on drivers seeing you in the crosswalk. Having one cycle exclusively for pedestrians, where there's no confusion, seems safer.