UQ has reported that the download video button is appearing in their course World101x, although the Video Download allowed setting is set to false in the video player in Studio. This behavior occurred after the script was run to enable their videos for mobile.
Example here (and shown in attached screenshot):
Course ID: UQx/World101x/3T2014
1) go to any video in UQ World101x
2) Check to see if video download buttton appears
3) View in Studio. Check Advanced settings in video player to see if Video Download allowed setting is set to false