The demise of Bed Bath & Beyond has basically every theme you could want out of a 2023 business story: pandemic supply-chain craziness; stimulus checks; execs juicing the stock price with buybacks; meme stock guys juicing the stock with memes; the long-term decline yet another big box “category killer” that had killed off mom-and-pop shops two decades earlier; and the American consumer’s continued love of coupons.