The switching of two sister ships is very plausable. although i disagree with the Titanic theroy. There have been many liners switched with there sisters to make more money in an insurance scam.

The Titanic theory was like this. The olympics back was suposedly broken ie the keel had gone. and they would sink the damaged Olympic and make twice the amount which the olympic would be worth as scrap metal. This is still a very real affair. liners and other ships are still being switched to make more money.

i do though think this theory although very plausable is not true.

thansk all for your time
Shaun