Yes, but it requires a populace that understands and acts on the risks from single sources of information. A centralized source of power means a single target

Yes, but it requires a populace that understands and acts on the risks from single sources of information. A centralized source of power means a single target is all that is needed for manipulation to be effective. This is the basic premise behind decentralization in the first place. Widely disturbed power is difficult to manipulate consistently without the manipulation becoming more easily visible, usually in the form of uncanny movement of many independent units as one, which most people can detect as suspicious.