Those are called "jailhouse lawyers." Steer clear of them and anything they comment about. At least in this thread, you seem to be able to discern the difference between BS and the truth, but some (as you have already noted) clearly cannot.
Of every one hundred men, ten should not even be here. Eighty are nothing but targets. Nine are real fighters, and we are lucky to have them, for they make the battle. Ah, but the One... One of them is a Warrior... He will bring the others back.
"Wrong door, buddy!"
Let no man's ghost say my training failed him.