It is a kooky conspiracy, one of many. Others blame the Federal Reserve, the Jews, the Illuminati, the Jesuits etc. A very quick look on Google produces no shortage of articles and videos debunking this idiocy. Here are just a few off the first page of hits...
http://www.williammurdoch.net/articles_34_Titanic_switch_theory_01.html
http://www.markchirnside.co.uk/pdfs/Conspiracy_Dissertation.pdf
https://illuminutti.com/category/titanic/
This statements proves you didn't even know what that video was about, you just like to make personal attacks. The video was about the Federal Reserve. You're a troll.
Of course it was the Jews. Iceberg, Goldberg, Greenberg.....what’s the difference?