Ron said it all. As a wise old friend (90 years old) said to me after 9/11/01, "You are not safe anywhere, so you might as well go everywhere".
Yes, Carnival has some major PR
problems right now, but in each case (Triumph and Dream), no one was hurt, starved or died.
Think of the big picture of the world today and count your blessings. Inconvenience does not equal pain.