Still a problem. The HD version seems to be corrupted slightly causing the regular player to not work at all.
Playing the file directly (left click the HD option under Download) in Firefox works but the video is glitchy at around 8 seconds in, clearing up after a few seconds. Edge (Chromium) won't play past 8 seconds unless you skip to a part in the video after 15-20 seconds.
Downloading the file and playing with MPC-HC works, again with the video seeming corrupted at 8 seconds in and the clearing up. VLC is the same.