No club should be fined for utilising and rotating their squad in any way they deem appropriate. These regular round fixtures are just warm-up games for when the Super League competition really begins in September after Round 27.
The top clubs can afford to experiment with weakened teams and risk losing fixtures, safe in the knowledge they will still comfortably qualify in a good play off position.
Perhaps Wigan have studied the current play-off system in more detail and taken note of where Leeds finished in those play-off's last season, along with the benefits of finishing in a better position for a tilt at the title from just outside the Top 4? Finish 5th or 6th and you are rewarded with an easy home game against a team of no-hopers like Hull or Hull KR. The following week you are rewarded with an easier away game against a team which got bruised and smashed by a top 4 team the week before. All you have to do then is peak for an away semi final and a Grand Final on neutral territory and you are SL champions.
Finishing 2nd last year did Wigan no favours at all so today's loss could well prove to be a blessing in disguise for them and perhaps the first piece in a shrewd tactical operation to finish 5th or 6th.