Kids are still out of school. Try again when they are back.
There are so many new RVers out there that a lot of them have not had a mentor about any of it.
Remember too that these same people act the same way in their own communities. You can't change a skunks's stripes.
On the CG side of it they could try a few paths here and there. When a pregnant soon to be new mom needs to pee SHE NEEDS TO PEE.
The best defense is always a good offense. Strike up a conversation as they pass thru. They will avoid you like the plague the next time.