The goal is not maximum human review. The goal is precise human review at the points where the cost of a bad autonomous action exceeds the cost of delay.
Put approvals before money movement, customer commitments, legal exposure, or irreversible data changes.
Route low-confidence or low-evidence cases to review instead of letting the workflow improvise.
When a workflow sees a new pattern, policy conflict, or missing context, treat it as an exception case until it is classified.