Voice and manner of speaking can support inferences about health, origin, emotional state or age. This increases the intrusiveness of the processing.
Depth of review, override rate, qualification of the reviewers. Routinely rubber-stamping the model output is not enough (CJEU C-634/21).
Where automated decision-making is permitted: the legal basis plus the right to human intervention, to express a point of view and to contest the decision.