Ernie Pyle's 1945 funeral on Iejima after his death in World War II

Ernie Pyle was killed by a Japanese sniper during a minor engagement at Eshima. Despite the engagement's insignificance, his death was a major loss. Pyle was honored with a military burial, reflecting his importance.

What is the irony mentioned in relation to Ernie Pyle's death?

What does the text imply about the perception of minor actions in warfare?