Class A's started going all electric more and more years ago and we are now seeing that trend move down the line to Class C's. It is now well know that you no longer need propane to dry camp. I still ...
Have never had a problem finding Propane.. But of course I know where to look.
Grew up with Propane on the farm, Many farms, Many campgrounds, use Propane for heating water and cooking. Not every place has natural gas and any decent commercial cook wants GAS not electric, so the option is Propane. It will never RIP as you put it..
I might add.. I too learned to cook with GAS.. I can and do use electric, but I much prefer Gas.