I am just being pragmatic. If she had just done what was asked instead of angrily protesting she would have gotten a traffic ticket which could have been fought in court and not have gone to jail and would still be alive
Many people are not aware of these things off the top of their heads, but most black people--who are statistically six times more likely per capita to be killed by cops--definitely are aware.
Even if the law is nominally on the defendant's side, there is a good chance that she will be threatened with charges carrying significant penalties, possibly backed up by nothing more than the testimony of the officer who violated her rights in the first place, and offered a plea deal. Accepting the plea deal forecloses on any chance of righting a wrong.