Conductor has a loop that doesn't start at the beginning. Play button works correctly (starts from 0, then loops). Scene cue starts at the loop in-point instead of position 0.
Indeed, if you set a loop in a timeline play button will start it from loop in point. We think that's the most desired behavior. If you want to start from zero, make a loop using two markers, that will do the job (first marker for in point, second marker set to "Loop" / Infinite