GIANT CONSPIRACIES! The Titanic was Deliberately Sunk for the Insurance Money!

Another great conspiracy has arisen among the tinfoil hat brigade:  the Titanic was switched with its sister ship, the Olympic, and the latter deliberately sunk to obtain the insurance money.

YouTube has several videos by various people who believe this theory and are spreading it far and wide.

However, the Titanic and the Olympic, though similar in appearance, were not identical.  Any attempt to switch the two would have been noticed by the crew, the passengers and the workers who built both ships.  Also, how did they get the iceberg in the right place at the right time?  Why would the president of the White Star Line (Bruce Ismay) and the ship's designer (Thomas Andrews) sail on a ship that was to be deliberately sunk?  The story is beyond incredible.

However, decide for yourself by viewing the facts and the rebuttals at this site.  NOTE:  a list of irrefutable facts will never convince the conspiracy theorists.  Similar, comprehensive rebuttals are online refuting the Kennedy Assassination Conspiracists, as well as the 911 "Inside Job" kooks.  However, I do love to skewer their lame arguments.