This is interesting - given that Wal-Mart constitutes a major part of the economy and society of many of its host cultures, dialing back on security expenses can significantly impact crime rates.

One interesting thing is this is kind of like that Unwritten Law dynamic I mentioned a bit back, only run in reverse - private actors losing the confidence of the law (nominally the legitimated means of employing punishment to maintain society) for failing in their duty to suppress wrongness.