"The only difference is the blue-collar mafia is way more visible as they solve their difference with valence, while the white-collar mafia doesn't need to resort to barbaric acts but simply lobbies their political friends in power to put enough laws and regulations in place to stop any newcomers entering their turf."
Ah, Brujah vs Ventrue.
All industries who's generous profits depend on monopolizing a fixed pie, they need to tightly control the amount of competition in order to maintain their profits, so they eventually devolve into a maifa-like organization, regardless if they're blue collar or white collar.