As much as I disagree with its objective, The context was spot on for the intended purpose of getting his point across... Its just a movie clip.
Now if that was a clip from the most recent presidential debate which I turned off, then I'd be concerned about offensive content..
My perspective on the 3 in 1 oil issue per the OP dilemma is, while regular 3 in 1 has its place, their are newer and better products on the market designed to specifically prevent machine tool rust... what he chooses and the frequency of application is really dependent on the environment its being used and stored in...
Ed