The problem is I'm not seeing anything in the video that cannot be easily explained away by mistake, stupidity, true belief, or a combination of all of the above.
Actually, here's a rundown of what it would take to avoid concluding it was a scam;
Poor vehicle maintenance causing no brake lights to work.
Inept driving ability causing for taking his foot off the brake in neutral.
Inattentive driving for failing to notice he was rolling backwards.
Stupidity for failing to realize it was his fault when he called the cops.
Poor communication for letting the other guy believe he was blaming him.
Outrageous fortune for being able to continue driving despite 26 traffic violations in 4 years.
These are the the most charitable views you can take of Ragu. You would have to accept every one of those declarations all at the same time in order to explain away his actions without suggesting any malicious intent.
On the other hand, if you are no so concerned with what the conclusion might say about the guy, and would rather try and find the most probable truth, then Occam's razor comes into effect and the single simplest explanations for each one of those flaws is that Ragu is a scammer. Most probably.