The Golden King - never noticed this. Could it be symbolism for what happens with Fili's eventual death? Like Thorin kind of says "here's this great warrior, he'll beat you! [Azog/Bolg] but in reality Fili is still to vulnerable and green to defeat them, although he looks mighty. So in an attempt to protect Thorin he throws himself at Azog (like how the statue fell on smaug) and in the process is utterly decimated.