Clearly there foreign workers at Starbucks or there would not be protests:
According to the popular videos circulating over the Internet, Starbucks halted a few minutes of their services across the nation as a form of protest against the recent “illegal deportation of immigrants.” "We are stopping work for a few minutes to read a statement in protest of actions against our fellow workers," Starbucks Workers United members at the Ellicott City location in Maryland said in a statement during their strike on April 1.