So your single example means the entire movie industry will stop producing disks? Get real...
There are a ton of people who demand the quality of blu-ray before streaming. Quality that the internet can never provide from streaming.
One of your problems is that you have a serious propensity to project your behaviors and tendencies onto the masses. You somehow think that you're a model of the average consumer; you are not.
As a whole:
Gamers do not care about games like BlazBlue
People care less and less about physical media
People couldn't give two craps about collector's editions; and even those are being transformed into digital offerings rather than physical "here's a neat little character model and a booklet"
You are in complete denial, especially with respect to physical media. Just look at the music industry. If 5% of the population still purchased CD's, I'd be stunned. You point to the quality of BluRay as physical media's saving grace. Let's (erroneously) assume you're correct and that there's still significant demand for BluRay due to infrastructure shortcomings: how long until those shortcomings are no longer a factor? I'm sure there was a time when your current self would have defended CD's to your death... until the iPod came along and bent stores like MediaPlay over so far and so quick its spine snapped.
In fact, as Doppel pointed out with respect to the movie industry, MP3's eviscerated the music industry. Labels and artists had to re-evaluate how they made money. There were a few winners and a boatload of losers. You're witnessing the same thing now with the movie industry, and we've already witnessed a number of casualties, most notably Blockbuster, a former behemoth not at all unlike GameStop in countless ways, from its dependencies on physical media and resale all the way down to its awful customer service and policies.
And since your "quality" argument is woefully inept and inapplicable to the game industry for obvious reasons, anyone making an objective educated guess would say the game industry will get there even quicker (it's already happening, you just don't see it) now that console manufacturers are completely on-board with digital distribution. Quality isn't an issue and it in fact satiates the inner ADD/need-it-right-now inherent to gamers. No more pre-order BS or managing a bunch of media. The only unknown is what effect the desire to resell will have, and even that is only a factor for as long as the prevailing industry decision makers choose to entertain it.