Revert "Reactivate dialogue"

This reverts commit 1de42d38cee3f00a862f6829f1b5bb8b61fe17f2.
Revert "Reactivate participants"

This reverts commit 5f60371ed9efdfe00d57272fb4eebef4da77f963.
Revert "Reactivate ambassadors"

This reverts commit 05c0d54a95d8b9e3882379573eff1cbc0f795292.