Or they use clean t-shirts and other clean rags around the house. Part of our SHTF prepping is 5 gallon buckets to be lined with grocery or garden bags. Do your business and twist it closed and put aside to possibly be used again. In a pinch (pun inteneded) cut up some old sheets and there are more wipes. Sheesh. Does no one have any commonsense anymore? They call 911?
The local newspaper makes a good emergency TP. Or the NY Times national edition