TechCrunch’s Best Buy tag isn’t exactly a heartening place to visit. In the last few months, it “stole Christmas,”](How Best Buy Stole Christmas | TechCrunch) been “finished,”](Is Best Buy Really Finished? | TechCrunch) and is now “going out of business.”](Keen On... Larry Downes: Why Best Buy Is Going Out Of Business (Not So Gradually) | TechCrunch) Dire straits indeed for a company that has defied the odds not only against big retail competition but against deadlier online opponents as well for nearly 50 years.But an announcement today seems to give a little weight to the doom and gloom expected from a tech community that views Best Buy as an anachronism. Best Buy will be closing 50 of its big box stores and laying off some 400 people, mostly on the administrative side. Is it rightsizing or just plain attrition?