Everybody knows about the Beast from Jekyll Island and 'nobody hears gunshots on a sinking ship'; but I just found out it's very, very likely that there was insurance fraud on top of everything else.
TLDR the Olympic was economically unrepairable so they swapped berths and scuttled it, while the Titanic served for decades under an assumed name.
www.youtube.com/results?search_query=titanic+was+olympic