MSW vs OT vs Mental health nursing

Are OTs and mental health nurses gaining favour as providers of clinical mental health care among employers/insurers, over the others? Job ads suggest this is true. I know that historically, there's been fierce competition in the broader mental health arena (psychologists wanting prescribing rights; MSWs wanting assessment responsibilities; OTs seeking a masters-level minimum for registration; insurers wanting whoever's cheapest and legal). Have read that while social workers enjoy a... MSW vs OT vs Mental health nursing
Source: Student Doctor Network - Category: Universities & Medical Training Authors: Source Type: forums