Those $300 pandemic checks aren’t the only reason restaurant employees might not want to go back to work

In the Detroit area, where I live, the buzz lately has been about pop-ups — traveling food vendors offering everything from tacos and dumplings to pho and pastries. These mobile cooks, with colorful names such as Lucha Puerco, Basil Babe and Pizza Replicator, are hosted by distilleries, wine stores, coffee bars and even restaurant owners eager to piggyback on the social media popularity of pop-ups, which regularly sell out.