The original Philly Mob probably isn't as powerful as it once was. Nor are most other Mafia families today.

More broadly, Willy: Mafia has only as much power as people give it. As long as people want to do drugs, gamble illegally, borrow money from loan sharks, buy stolen goods cheap, etc., there's going to be a Mafia or other organized crime groups to serve their needs. Even so-called "legitimate" rackets like concrete and building materials, garbage collection, the NYC Fulton Fish Market, etc., depend on the willingness of people to let it happen. For example, the concrete suppliers, garbage truckers and fish suppliers benefit from the Mafia's control of their industries because Mafia cartelizes their businesses--protecting the companies from competition and fixing prices artificially high. The companies pass on their Mafia "tax" to consumers. If those so-called "legitimate" companies didn't let the Mob run their industries, there would be no more Mob.