Earlier quoted context omitted.
If you think about it, large criminal structures need to become like governments, otherwise they are unstable, so it’s in their best interest to have rules and be fair within themselves. One interesting limit case is what happens if everyone is a member of such a criminal organization? There’s no practical difference between a government.
And if they grow large enough, they typically start providing welfare to the population, to pacify normal citizens. They even police their bad actors, see the cartel giving up their own in the recent murders of American tourists.
I don't have personal experience with it, maybe it's all fantasy, but a popular trope in mafia stories is the mafia serving as a parallel or backup government to otherwise law-abiding people. For instance, The Godfather opens with a man, not part of the mob, asking the Godfather for vigilante justice because the American criminal system failed to punish the man who disfigured his daughter.