Breh you're trying too hard, someone randomly approaching you at the gas station for an "interview" and you're not a famous person, can make anyone put their guard up, especially if the person is being extremely vague about what the interview is about.
"The camera right there, see?" Was a terrible attempt at calming dude down. So what if a camera's there? That doesn't defuse anything, last time I checked we talk about how everyone loves filming their crimes nowadays, the dudes that punched on Charlemagne walked up with a camera too...
And if he's in the street life where 99% of the people getting active that he's knows of are black, yes it makes sense for him to behave how he did.
What happened here was not an example of "c00ning" you just sound very jaded like you did some naive shyt IRL and the universe checked you for it

nobody owes you "brotherly love" when you approaching them recording video without consent