Not reasonable, perhaps, but theoretically understandable. The escalating price of just about everything implies an increase in value that, in most cases, is not delivered. So some folks simply create their own perks — giving vent to rage or breaking traditional rules of social conduct (i.e., doing whatever the hell they want.)
If you feel you are paying VIP prices, you may well expect to be treated like a VIP.
Also potentially the stress of owing a fortune on their truck that the shipping company sold them and for training. There are some really nasty, predatory practices in trucking that leave workers treading water and unable to get ahead without breaking rules to complete as many shipments as possible.