This person is a huge twat who never stops honking their fat horn no matter what and does not care for the hearing ability of the young or elderly or pregnant or disabled.
2 points
1. Not very clever pulling directly into the right hand lane and then not getting any speed to overtake anyone when you could have not been a selfish moron and let people overtake you
2. Don't brake check people and then point to your dash cam. Just makes you look even more of a brainless idiot than you already were and you are the type of person who gives people with dash cams a bad name.
Thus guy was driving in Cambridge like a complete bully. Total AH