I was very unhappy with the battle of Agincourt. There the heavy armoured dismounted knights run 200m for 10 seconds, which is twice better than the world record, and receive only one volley from the long bow man.

Then I realised that to fix it will require massive rework of to readjust and rebalance all the ranged weapons:

Rates of fire
killing % at different distances
armour effects
unit speeds

Now I try to think that it is just a game, but still find annoying how the current ranged weapons work.