Hmmm, well the economy is a mess and it doesn't surprise me even retailers like Blockbuster are getting hit, though like most businesses they are taking the opposite approach to actually solving the problem. You know, shutting down locations to create even more unemployed people and abandoned retail spaces to compound the problem where I'd imagine the right thing to do both for themsevles and everyone else would be to stick it out. A bit of a "loss" now and they can milk it when things recover by saying their a business who stuck it out for the people during the depression... but hey, that's just my opinion.
As far as Blockbuster going out of business entirely, I don't see it happening. There is simply put too much of a vested need for the service they provide from Hollywood and other movie producers. I'm not talking about the big Hollywood productions, but all those independant "direct to video" movies which form a huge business. As great as services like Netflix and such are it's the Blockbusters and such that actually hold on to the basic product (DVDs, etc...) that keep them going. I also feel that when it comes to that kind of stuff Blockbuster is still the trough of choice for fans of quality schlock.
Also I should point out that Blockbuster could also probably help their case by reviewing some of the policies that have caused people to want to go to download based rentals and such. Some of their policies involving late fees and such can be quite ruthless, not to mention the whole issue of needing a Blockbuster membership at a time when you can just
plug an 360 in with a free silve account and DL a movie for a similar price. Basically when you consider their entire business model they just aren't being as competitive than they could be, and I think with some changes they could make things a lot more profitable than they are now, albeit not as profitable as they might want.