A glass half empty type? their attitude often prevents them from moving on to better.
However of the companies you mentioned any that operate driver facing cameras should be off any self respecting driver’s radar, no matter how an operator might be desperately trying to reinvent themselves to get away from say a well deserved reputation for bullying.
Also you don’t know that chaps working history, been around long enough he’ll have seen temporary wage spikes and the equally rapid diminishing prospects that can follow not long after when reality bites, so staying where he’s safe, takes all sorts.