You read from an odd position. 

Onan's Razor

Where did he say it was equivalent? It’s pretty clear that the Nissan was intentionally blocking the Ram, so that’s dick move number one. Then the Ram driver decided to completely lose all semblance of rational thought and assaulted the Nissan. The biggest takeaway from this is don’t antagonize other drivers because…

They don’t seem to be doing very much passing. Most all road rage is two people being assholes, and one winning. The loser plays the victim.