Maybe someone else has some use cases to share but here is the documentation in case you did not check already:
The business direction on latest versions and new products are not to set default thresholds, as every customer will have different needs Product Management for some of the monitoring solutions decided not to set default thresholds. For this parameter you still can see the default thresholds in the documentation but this can or can not be valid for you. Usually we recommend to understand what the parameter is and then check with your DBA what would be the best thresholds based on your business needs.
Hope ti helps.
Manuel, Of course your statements about patrol default thresholds are true.
Please note that this information is being requested by my DBA.
He is wanting to know what are the Oracle standards for this type of issue.