It's widely accepted as a conspiracy theory. https://en.m.wikipedia.org/wiki/RMS_Titanic_alternative_theories
You can find the information you want, just go look: https://www.google.ca/amp/s/amp.businessinsider.com/titanic-sinking-conspiracy-theories-2018-4
[–] 14544147? ago
Go to conspiracy and search it there. r/conspiracy will have a bunch of info as well.