Global setting for "Show previews" in Notification & Focus

Hello, 

in the guide for Notification & Focus it is written "Note: If you choose a setting from the “Show previews” pop-up menu at the bottom of the preference pane, it’s applied to all apps." (https://support.apple.com/de-de/guide/mac-help/mh40583/12.0/mac/12.3).)

In fact, if i switch the global setting for "Show previews", e.g., to "when unlocked" this seems not to change anything for the installed apps. All apps preserve the individual setting configured under the their "Show previews" configuration dropdown, e.g., "always". The only thing which changes is, that the value in the app specific dropdown for "when locked" is extended by the string "(default)". This seems to rather add an indicator what the global setting is set to, then applying the global setting to all apps. Which makes no sense, since the system preferences menu can not be scaled that large that one would loose focus of the global settings right below. 

So the behaviour of the global switch for “Show previews” differs from what I understand from the guide.  Is my understanding, the guide or the implementation wrong?

Thanks,

Joe

Global setting for "Show previews" in Notification & Focus
 
 
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