I would disagree with your reasoning. The high turnover and a short tenure means people are not very attached to the job but more importantly it also means the

I would disagree with your reasoning. The high turnover and a short tenure means people are not very attached to the job but more importantly it also means the drivers in any given trucking company don't know each other very well and it would be quite difficult for them to organize for a common cause such as a strike. Way to easy for the trucking company to play the drivers against each other.