For the ultrawealthy, boats or jets are yesterday’s toys. We dig into the last bastion of status for a well-moneyed minority. On a recent Saturday in Los Angeles, a flag football game unfolds at Exposition Park’s BMO Stadium that looks more like a glossy awards show than a light-touch sporting exhibition. Tom Brady has temporarily unretired (again) and is back on the field. Travis Scott is DJ’ing in the stands for a crowd that includes Kendall Jenner, Hailey and Justin Bieber