This seems to be the case, there's not a lot of facilities than can do Blu ray- replication, especially author for blu-ray. The cost of a blu-ray plant is actually less than 10 million, theres one company out there than can duplicate blu ray and replicate it .

http://www.usadubs.com

Blu-ray doesn't seem like it will be discontinued, however, if higher capacities start coming out then the nature of technology might make a lot of stuff become outdated.