Psychological operation. The technical use of it is for organized efforts by military or intelligence agencies (for example, all four major US military branches have official PSYOP units) to influence public opinion, but it is more generally used to mean any attempt by a group at covertly normalizing or spreading a specific idea.

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You are welcome to check on Christian yak. They aren’t perfect in there but they seem to be trying to sort out their differences between denominations which is cool.

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