South Korean pundits agreed with the minister . `` The first reason for this attack is the instability of Kim Jong Un . Opinions vary widely among North Korean experts . Theories include a show of strength and a miscalculated reaction to an apparent threat . Another expert says the North is weakened by being ignored diplomatically . Yet another theory : China needs constant military tension to protect its people .
Opinions vary widely among North Korean experts . Theories include a show of strength and a miscalculated reaction to an apparent threat . Another expert says the North is weakened by being ignored diplomatically . Yet another theory : China needs constant military tension to protect its people .