You can chamber arrows with any weapon. This shouldn't be any problem for you, since you are so pro you would never get kicked while using a short weapon.
Are you seriously equating blocking an arrow with a shield with chambering an arrow with a weapon?
Shielders need to understand that if they were as effective in damage dealing as polearms and 2H (or any class that can't use a shield), there would be no point in going polearms or 2H. Shielders gain immense defensive ability in exchange for damage dealt. More tank, less spank.
On my shielder alt, I have had a danish smack my elite cav shield (5 shield skill) more than 5 times before my shield broke. Actual gameplay > theory math.