I have a stainless steel woodstove installed that just needs the chimney routed through the roof.  Tough to find the appropriate flashing for a 2.5" chimney on a flat roof.  I have a silicone boot designed for routing a chimney through a canvas tent for the inside.  Just hoping to find something more robust for the exterior surface. It's a step up from my tent and pop-up camper...

It qualifies for 'hard side camping'. And you can watch TV. A red ambulance RV must have massive room. Does your inverter allow you to operate a microwave oven?  "Parking heaters" are available for diesel powered vehicles and boats. I know of 2 brands common on boats and vehicles: Espar and Webasto. Both are over $1k and permanently installed. There is a member of this forum that has a parking heater on his diesel Land Rover. Very toasty warm. Another way is the portable unit placed on the ground with gravity feed of diesel from an elevated fuel jug. Winter is here, no need to subject your dog to a cold ambulance. Norseman might have some input in the way of dealing with his big rigs.

According to modern science? We (Homo Sapiens) were still in Africa 130,000 years ago.   https://en.wikipedia.org/wiki/Cerutti_Mastodon_site    

If Sasquatch is some form of ancient human? Dunno. There is no precedent. And maybe the powers that be don’t want to find out.🤷‍♂️

It's hard to say how crazy it could get, but I'm sure it would be socially, culturally, economically, and even religiously traumatic. This is the primary reason why I believe that government just doesn't want to go there, especially since it's so easy to maintain the current mythology storyline.