I think this needs to be discussed, because we've had QC members, contributors and moderators post on both sides of the issue.
Examples of the times when a set needs only to be viable to get an analysis:
http://www.smogon.com/forums/showthread.php?t=3454772&page=2
http://www.smogon.com/forums/showpost.php?p=3861736&postcount=4
http://www.smogon.com/forums/showthread.php?t=3454564
Examples of the times when a set not only needs to be viable, it needs to be not outclassed:
http://www.smogon.com/forums/showthread.php?t=3452856
http://www.smogon.com/forums/showthread.php?t=3454490
http://www.smogon.com/forums/showthread.php?t=3452934
I think this needs to be clarified one way or the other. One way or the other, but not half-and-half.
Examples of the times when a set needs only to be viable to get an analysis:
http://www.smogon.com/forums/showthread.php?t=3454772&page=2
http://www.smogon.com/forums/showpost.php?p=3861736&postcount=4
http://www.smogon.com/forums/showthread.php?t=3454564
Examples of the times when a set not only needs to be viable, it needs to be not outclassed:
http://www.smogon.com/forums/showthread.php?t=3452856
http://www.smogon.com/forums/showthread.php?t=3454490
http://www.smogon.com/forums/showthread.php?t=3452934
I think this needs to be clarified one way or the other. One way or the other, but not half-and-half.