Unfortunately, that’s why lawsuits are necessary. The only way to make them care is to hit them in the bottom-line. Regardless of the videographer’s motives, his video could be instrumental in the civil suits those drivers’ (and, depending on lawn damage, possibly homeowners’) insurance companies may bring.
For the record, while the employees were clearly doing the absolute bare minimum their safety training required, Comcast should be held accountable, not the workers.