By default, this configuration is set to "Hide them". If some administrators decide to display them with a blur filter for example, it's <strong>their</strong> choice.
In the meantime, as an user if you feel that PeerTube 1.0 does not currently meet your needs, it's simple: don't use it right now :) (we remind you that we don't make money developing PeerTube, and that if we obviously hope for its success, the survival of our association doesn't depend on it).
Broadcast message system that allows instances administrators to display information to people who visit it is now active. This is a handy feature to indicate that your instance will be in maintenance on a certain day and that the service might be disrupted... or anything else!