The cops do not care, they will pop you make up a charge and you will spend big bucks on a lawyer, even if it gets dismiised and never goes to trial, and you still have an arrest record.
Our hero needs to take a close look at Texas Penal Code 38.15 subsection (d).
"(d) It is a defense to prosecution under this section that the interruption, disruption, impediment, or interference alleged consisted of speech only."
Did you read the police report? He endangered the life of the officer simply by talking. If talking can kill a cop, imagine what wouldve happened if he had played loud music or honked the horn.