I wonder if the other player you're naming seems to be ignoring content
playback restrictions that would get most companies in hot water. If you're
seriously interested in this arena, you might want to investigate MPEG-LA
and that sort of thing. But this is purely speculation.
--
Speaking for myself only.
See
http://zachd.com/pss/pss.html for some helpful WMP info.
This posting is provided "AS IS" with no warranties, and confers no rights.