I also wonder why the trucks behind the first truck all stopped....but did they lean on the horn? If I see a vehicle in front of me doing something dangerous, I use my horn to let them know to wake up and look around.
If Lardo needs me to grovel, then I will grovel. I will even admit that I was wrong to make fun of her for being Murdock's friend. Murdock is clearly a person who would make a good friend.