The premise of this film is that the price of gas is so expensive that they have to resort to robbing fuel trucks to keep their tunned rides, with shitty gas mileage, going. The mad max films would have been so much duller if only he had driven a civic.
I dont know if its the camera or what, but most of those bathrooms don't look too bad. I was expecting something along the lines of the worst toilet in Scotland. Regardless, yours was definitely one of the worst ones.
Its probably some dumb kid having a laugh. You are playing right into his game. As if he will actually show up and confront you. I very much doubt any info he gave you is true. I say just leave it alone, unless you enjoy the entertainment value of this whole thing.