What makes people fearful is not just their amygdala and past trauma; it is also living in environments – families, communities, media ecosystems, that repeatedly tell them “you are not safe, you are not enough, and danger is everywhere.”
There are intrusive actions, intrusive feelings, intrusive emotions and intrusive thoughts. They are all intrusive, as they are not wanted, but there is no indication of them being from someone else, or an external influence.