Self preservation can be under estimated these days. Not everyone is like Liam Picken (look where that got Liam in the end). Everyone at senior level has to go when it's their turn but there's no use battering your body just for battering your body's sake for no real gain. We all love the tough stuff (I know I do) but it isn't everyone especially the lighter body types imo.
They've done studies you know, 60% of the time, it works every time!
Brian Fantana.
I certainly think in the days of everyone being aware of the seriousness of concussion etc commonsense needs to be applied and in some assistance's avoiding trouble is the right thing to do. Without a more specific example being provided lets give the player the benefit of the doubt.
Western Bulldogs Football Club "Where it's cool to drool"