You shouldn't cause scenes.
Dave is at the mall when Bill who was walking past him, accidentally bumps into Dave.
Dave wants to get Bill's attention and get him to apologize.
"Dave quietly tells Bill ""hey watch it"" and points to the spot where Bill hit him."
Dave screams at Bill loud enough for the other patrons to hear and swears at Bill demanding that he apologize.
Bill is remorseful immediately and profusely apologizes to Bill for hurting him.
Bill is stunned by the loud verbal attack and embarrassed to be the center of a public commotion.