All crime is not fungible.
Presumably a similar transformation will be carried out by many Mexican cartels when and if the drug trade will dry off.
Organized crime doesn't go away overnight. It's not like all the gangs immediately disappeared after the end of Prohibition in the US. You just have to keep taking away their revenue sources, eventually they're too poor to fight back.
> “It’s good business,” El Polkas says with a shrug. “It makes a lot of money.” When I ask how gasoline compares to narcotics, in terms of overall revenue to Los Zetas, he rubs his index fingers together. “Fifty-fifty,” he says. “It’s approximately as profitable as drugs.”
[1] - https://news.ycombinator.com/item?id=18101141
[2] - https://www.rollingstone.com/culture/culture-features/drug-w...