This is mostly because (despite its name) it is not a method in the accepted sense, but a framework of controls for RAD, supplemented by guidance on how to apply those controls.
Hii ni hasa kwa sababu (licha ya jina lake) sio njia kwa maana ya kukubalika, lakini mfumo wa udhibiti kwa ajili ya RAD, na kuongezewa mwongozo wa jinsi ya kuomba udhibiti hizo.