Depends exactly what she's doing when (I think) the cop is saying "stop stop" before one of them body slammed her.

The force should be proportional to the restraint needed, not punitive because she's struggling against 4 officers.

Looking at the video I’m not seeing the ‘put herself in harms way’ part other than in the ‘you put your face in front of my fist’ sense

Hmm, do you put your face everywhere and, more interestingly, when asked to stop, what do you do with said face?

Mainly I pay a lot of taxes to cover the settlements from the inevitable lawsuits these kinds of incidents cause.

She’s likely to sue for excessive force, and she’s likely to win based on everyone who has done so up to now in this context. You might not be able to talk low functioning law enforcement officers out of excessive force (they do not have a duty to protect, nor does hiring optimize for the best), but you can extract from those who employ them, and create a paper trail of the officers in question.

Document, file suit, collect your settlement or judgement, wash, rinse, repeat.

https://policedata.org/

The actual title and article "this is assault".

Oh right, peaceful protest for one's right totally deserves to be punished by government authorities with this kind of violence. When did the script flip?