Them being cheap means consumers no longer value them - which is what the wars are all about: value translated to sales and profits. Price is a function of what consumers will pay, which has little or nothing to do with what a thing costs to make.

If consumers went with HDDVD you would be saying the same thing about them.

Absolutely. BluRay was Captain of the Titanic, and is going down with the whole physical media ship. Vinyl LPs are the lifeboats.