If enabled the check reports less information in its output.
You will see no information regarding the worst state or unacknowledged events.
For example a default output without this option
WARN - 1 events (1 unacknowledged), worst state is WARN (Last line: Incomplete Content)
Output with less verbosity
WARN - 1 events (Worst line: Incomplete Content)
To the list of all Werks