If the patriotic fellow was on the company's clock, then the employer has every right to terminate his employment if they choose to. He was being paid to provide a service to the public, not to enter into political debates with the public. You probably missed it, but ...."McKillop, 58, said he was on his way to work"...
I'd think Domino's Pizza doesn't consider you on the company's clock until you are on the company's clock.
I got that by post 50. Thanks!