This is like McDonald's workers going on strike and attacking a Wendy's employee for going into work.

You're saying that you're ok with someone being subjected to violence because he just did his job as he does every day, but other people who did similar but different jobs happened to think that he should have stayed home that day. I doubt you'd think the same if a competitor of yours went on strike and attacked you for going into work.

Saying that the driver here got his "just desserts" is a truly disgusting and reprehensible attitude that is not fit for a civilized society. When a larger group of people can organize and use violence to subject smaller groups to their will, you no longer live in a free society.