They may both be valid functions but work trucks are the #1 selling vehicle in America.
I bet Tesla goes with work truck.
And no offense but if you want a good baja truck I’m not sure why you are considering the CyberTruck.
Doesn’t that defeat the purpose of the enclosed vault?
Plus you would need some sort of contraption at the end of the tailgate to secure the stack of plywood or drywall sheets from sliding out.
Tesla usually does simple and elegant.