Wow, oh wow..
Sure is a lot of folks painting with very broad brushes...
Folks, you CAN ASK at the Walmart SERVICE DESK if you can overnight EVEN WHEN THERE IS SIGNS POSTED!!!
A Walmart that is handy on one of our normal trips for years did not have any signs posted..
Just a couple of years ago we noticed they had put up signs, went in and asked.. They told us that IT WAS FINE to overnight and the signs were there to COVER THEIR BEHINDS. That is why you should go in and ask.
I am NOT "CAMPING" or "SETTING UP CAMP", just trying to get a few hrs rest FOR SAFETY to prevent me from falling asleep at the wheel.. I am there for 5-6hrs max, not 24/7..
I suspect it has something to do with folks who setup camp for days, weeks, months in the parking lot (IE LIVING THERE).. Much less about local campgrounds complaining about losing business..