This is probably actually true of a lot of criminal activity. None of it occurs in a vacuum due to "naturally bad people," and none of it is actually solved by our current punitive justice system.

This article was written in 2015. The narrative of gambling addition is much more common nowadays, especially in the sphere of online gaming.

This study has actually come under much controversy over the years for some flaws in methodology and the fact that its results have not been replicated (see "Environment Is Not the Most Important Variable in Determining Oral Morphine Consumption in Wistar Rats" by Bruce Petrie)