"an ongoing pattern of racketeering in behalf of an enterprise"

Your average street gang meets this standard. They charged Stephen Caracappa and Louis Eppolito with RICO for selling a joint. Multiple local corrupt politicians have been charged with RICO for taking a few bribes.

The mafia is the mafia because of its considerable power and organization. The families are interesting to the public because of the fact they aren't just a basic, bare-bones street gang but large, organized and have real street muscle. If the organization is down to less than 20 made guys, one could question whether it is even a viable family or at the very least its future is extremely dim in the next 5-10 years. Has there ever been a family down to less than 20 members in the past that has managed to make it back from the brink? All the ones I can remember(buffalo, Milwaukee, trafficante, etc) are no.