1987 there was a shipwreck that was 4x as bad as the Titanic (over 4,000 deaths).
In 2002 over 2,000 people died in one (nearly 2x the Titanic)
A 2006 wreck had 1,000 deaths. The same magnitude as the Titanic.
It seems that it is only unthinkable for people who can't use Wikipedia.