No, it's not a joke; it's not funny, is it? A young man has been wrongly seized and held and rockets stream toward random civilian targets in Israel - not at all funny. Following accepted, legal avenues to resolve grievances is a serious matter, one that serious people pursue preferentially. Whether or not one thinks that nothing will come of it, it is still the right thing to do.
Army: Blast in Korean DMZ wounds two South Korean soldiers (Reuters)
from the article: Shalit's father to address UN council on son's release