In recent years, somewhere between endless Tinder swipes and countless OkCupid matches, the dinner date has fallen by the wayside. As online dating surges in popularity, few millennials have the time, money, or desire to sit with a stranger over a long meal. Only 7 in 10,000 messages in a recent OkCupid IAC survey suggested “grabbing some dinner” and a somewhat less scientific survey this reporter conducted of several dozen actively dating 20-somethings found that dinner has become a highly taboo first date. Last month, Moody’s Investors Service slashed its operating-profit growth forecast for the restaurant sector. (This appears to...