Does a person who has been deemed a dangerous sex offender have a right to receive treatment?

Similarly, this court has ruled that both individuals who have been deemed nondangerous and those who remain dangerous have a right to treatment. In People v. Feagley (1975) 14 Cal.3d 338, 375-376, 121 Cal.Rptr. 509, 535 P.2d 373, this court held that the involuntary commitment of a mentally disordered sex offender, without the provision of more than custodial care, violated both the federal and state constitutional proscriptions against cruel and unusual punishment.