Given the proximity of the enemy between 10yds to 200yds in the front trenches snap shooting was pretty much it as you had 2 seconds max a fleeting glimpse at most to smack a round at a figure in WWI it was sniping by arty really. A dedicated sniper may favour the P-14 over the Lee for obvious reasons he does not need fire power just 1 shot at a high value target and they fetted their rifles accordingly. In the trenches when the brown stuff flew and they were marching onto your trench get the rounds out as fast as you can.
At that terrible day on Galipolli when the Turks charged the trenches the rifles ran so hot the soldiers could not hang onto them as fire power was needed not accuracy a 5 shotter just won't win the race there, each rifle had its good and bad points and I guess they complemented each other helping the war effort.
A Germanattack on a British
trench in WWI withered under the fire power of the troops manning that trench such was the rate of fire poured from the smellies the germans thought they had run into a MG Battalion!
The Brits trained their troops to a very proficient state of rapid accurate fire with the Lee Enfield, us Aussies were just naturals at it given we will blaze away at anything and when a shot goes by we will stand up and say "Now where did that come from?" as was the rumour put out around the trenches at Galipolli.