Think back to uni in their promotion season from div 1 and they had all their points taken from them for a misregistration of a player. Why is this any different? There is a precedent of this so it sticks.
Happy with the points being taken off them, don't see why they are awarded to the opposition with a 3-0 score line.
Understandable - I personally don't think it's too much of a bother, but I can see how it gives certain teams points and goals they didn't actually earn and how that would irk. At the same time, it's a rule that's meant to cover something like Club A bringing in 'Stu Kelly' improperly and beating Club B, and obviously in a situation like that, Club B would justifiably feel entitled to the points/goals, and while we might be able to go 'oh, Anton Smith didn't have that kind of impact' (did he?) we can't let the specific situation dictate the general rule.