It is always sound policy for observers of international politics to greet reports from intelligence agencies with a raised eyebrow and caustic smile.
All intelligence agencies have their own agendas, and they are by definition staffed by people inclined towards conspiracy theories and disaster scenarios.
It is only when leaked intelligence material fits into a pattern of proven truths, and when a government allows a named official to publicly support the intelligence allegation that it is worth taking the story half seriously.
In full: https://www.asiatimes.com/2019/09/article/buying-cambodia-chinas-long-embrace-of-a-tyrant/
