It came out of the BLM riots, and very much meant complete police abolishment. All the long winded after the fact redefinitions was just people wrapped up in it stepping in to save face. Since at this point they're linked to it and know it looks bad now that they've had a second to step back and think about it
Any slogan that requires a paragraph or Wikipedia article to explain what it "really means" is public relations malpractice.
And I'm coming from the side were I agree with much of the actual policy proposals behind it.
It boggles the mind of who came up with the line and thought, yes this is a political winner.
Sorry rant over.