How was this traffic stop an unconstitutional overreach?"
Video Narrator: [the officers] disregard for their oath to the Constitution.
How did the officers show complete disregard for their oath to the Constitution when they obeyed departmental procedures and broke no laws?
This is yet another case of someone using emotive language in their "language-persuasive technique" as rhetoric to influence an audience by using words and phrases with strong connotations associated with them in order to invoke an emotional response and exploit stereotypes.
And some people continually fall into the entrapment by its use.