They are either misinformed or have bad intel, or possibly want the designation to go away because they want funding to stay in different departments. Everyone has their own agenda, law enforcement is no different, active or retired.

Keeping tabs and full blown investigations are two different things, and again, there has been recent cases, like last years. Keeping tabs does not mean they have enough to build RICO cases but I believe members from Buffalo(faction) will be in the headlines again for crimes probably more of a chance at Enterprise Corruption than RICO.