People who were unfamiliar with the Japanese brand Uniqlo might have been taken aback by the delirium that struck various parts of Texas in October, when five stores—two in Houston area and three around Dallas—opened their doors to the devoted. The lines of shoppers trying to get into Houston’s Memorial City store on opening day snaked throughout that mall, with the patiently fervent, or fervently patient, rewarded with cans of jasmine green tea. (On my visit two days later, the routinely mobbed Zara store across the way looked forsaken.) Just hours after the store opened at 10 a.m. on a school day, the line outside Uniqlo’s spanking new First Colony Mall location, in Sugar Land, was divided into three sections; two inside spanned the length…