Life of Bob - it's wrong but it feels so right

"Look at them! dirty bastards!" Roger said in a loud voice so that a group of people at a nearby table could hear him.
They didn't respond.
He seethed in silence for awhile. Then, suddenly, he could take no more and marched over to their table.
"Do you mind?" he demanded.
"What?" one of them asked.
"I'm trying to have a quiet drink with my friend here and you haven't even got the common decency to spark up some Marlboro Lites. Why don't you fuck off and take your filthy habits somewhere else?"