This is nothing but pathetic.
Everybody knows these wooden castles are absolute bitches to take, due to the indestructable walls.
Instead of crying to the devs to change all sorts of things, focus on what we need: Destructable wooden walls.
And in the mean time, commend your enemy for a defense well played. I must say that the Mercs did an excellent job at defending, but the Greys did a worse than usual result at attacking this one. Before you cry back to me; yes, I know how difficult it is to attack hard castles. I've been leading sieges too, also on difficult castles. The Fallen and I have never resorted ourselves to this senseless forum banter for a bad siege, I had expected better of the Greys.
Devs, make wooden walls destructable. The wooden castles are OP.