SSP Catalog Setup doesn't allow to exclude agreements of Client BUs

Summary:

SSP Catalog Setup is not allowing to exclude agreements of Client BUs although by default they are included by system.
Engineer mentioned that its intended behavior on SR# 3-36445639941. However it doesn't seem logical, hence posting it here. Request to review and confirm.

Content (please ensure you mask any confidential information):

Local Catalog (Setup at Shared Service BU)

Scenario 1: Include All Agreements

Observation: System Includes agreements of the Shared Service BU & agreements of its client BUs.

Scenario 2: Exclude Items from Specific Agreements

Observation: System includes agreements of Shared Service BU & its clients by default. Setups allows to exclude specific agreements of Catalog