It would really depend on the diagnosis of a clinician, anything is definitely just conjecture.
Bipolar is often more like periods of high energy and periods of low energy as I understand it.
The swings between ideation and demonization is a trait of borderline personality disorder, however, and one that I have experienced first-hand with an ex. The way I’ve had it explained to me is that where sociopathy is an inability to regulate your behavior, BPD is an inability to regulate your emotions.