The purpose of sections 148E.185 to 148E.290 is to protect the public by ensuring that all persons licensed as social workers meet minimum standards of practice. The board shall promptly and fairly investigate and resolve all complaints alleging violations of statutes and rules that the board is empowered to enforce and (1) take appropriate disciplinary action, adversarial action, or other action justified by the facts, or (2) enter into corrective action agreements or stipulations to cease practice, when doing so is consistent with the board’s obligation to protect the public.