Kind of relevant to this, there is literature to support the notion that the 'personality' of internal voices is shaped by society -- people experiencing it in Western nations tend to have voices be very negative and violent, whereas people of other nations tend to have more friendly relationships with their auditory hallucinations. It definitely fits with this therapy, where building a relationship with the voice tends to benefit the mental health of the person [1].

[1] https://pubmed.ncbi.nlm.nih.gov/24970772/