When auto-factor is in effect, aim for 99% satisfaction if one user is logged in and 75% if more users are logged in.
When auto-factor is in effect, aim for 99% satisfaction if one user is
logged in and 75% if more users are logged in.

The idea is that people are less picky about the music when they are
hearing it together than if they are listening by themselves.  I've
actually asked two people (myself not counted) about this and they
agreed, so AFAIC this is now one of the laws of nature :-).

spigot/mserv,spigot/mserv