I think that the situation with the Carnival ships will hurt all cruiselines.
A person who is a big fan of cruising will still cruise " maybe a bit less '' , but it will be harder to get people to go on their first cruise.
Carnival Liberty New Year's Eve 2007
Liberty of the Seas 5/2008+11/2009
Allure 1/16/ 2011
Independence of the Seas 12/29/2013
Booked Allure of the Seas....12/27/2015