I mostly agree with the article.
Big chain bookstores are dead meat. B&N is down to 700 locations, Borders has 500, Books-A-Million 200. Waldenbooks, B. Dalton, Crown are gone. Walmart is sucking up the bestseller sales. Specialty and used stores will survive, everything else will go online or digital.
I for one don't have much sentimentality about bookstores. They're about moving product, not making the world a better place. If that's what you're looking for, I'd focus on supporting your local library.