Certainly, the vast majority of the market wants convenience over fidelity.
But one of the failures of the previous formats...in my opinion... is that they required a special player that was SACD or DVD-A capable. The players that most would buy at Best Buy didn't even allow you to play those formats.
If they stick to the B-D standard, ANY B-D player will play them. No add'l hardware investment required.
Now certainly, the discs not going to sound as good on a $500 HTIB setup, but they can at least still be played. And, if you have a $500 HTIB, you're either satisfied with the sound or not willing/able to invest more anyway.
I'm not saying that people will beat a path to the door selling them, but the work...remastering into multi-channel... has already been done.
So, not huge sales numbers... but hardly more investment either.