Depending on the circumstances. We've actually seen a number of corrupt politicians be charged under the RICO law.

You do make a good point above. A mob family has to have the requisite manpower to have some semblance of a formal structure to begin with. Which is why that become less and less possible as their numbers dwindle. Some individuals can still be charged with RICO but the devil is in the details. A few guys running a bookmaking operation does not a formally structured family make.