Maybe the future is an appliance that is fully manned by robots. No risk to human life from fighting the fire and no human error on the fireground to follow up in a lengthy and expensive inquest...
I'd say the answer lies in the requirement of that community. If you need to be a Jill-of-all-trades, then you need an appliance to support that. If there is a high level of road crash, then you need a rescue vehicle to support that?