Honestly doesn't sound any different to the women who go from one abusive boyfriend to the next. There's something going on there, and I think it's more than economics.
https://lakesidemilam.com/blog/trauma-stress-repetition-comp...
More like PTSD and the difficulty it can produce dealing with normal situations.
Stockholm Syndrome is something invented on the spot, by someone integral to advising the police violence in question, to leverage misogyny to dismiss criticism of unnecessary police violence endangering hostages in a particular event, that remains a popular idea because media (both news and fictional) likes invoking it.