All very true points, and especially pertinent to people who want/need a truck for traditional truck tasks rather than as a large sedan that doesn't include a trunk lid.
Let me add another one: not only less routine maintenance, but also no transmission rebuilds (typically ~$5k). This is...
I just registered here to make this very point, but I see you beat me to it.
I would just add that the Harvester genset would only have to provide the *average* power consumption during a trip, including trips that have segments of heavy uphill towing. *It won't have to provide the peak power...