Police stations are now fortresses, as are most of the government departments. The state has made a definite choice: the hard hand, no help, and absolute priority to their own protection. Normal crime, like theft from stores, what people want the state to work on, is not even prosecuted anymore. You'd have to steal from a big store, in the city center, while an agent is there to have any chance of getting arrested (only youngsters, whom they can arrest indefinitely without evidence and convict even when innocent, ever get persecuted. Of course, the lack of evidence standards in cases against minors raise the question exactly how often these convictions (sorry "protection measures", not convictions) are fabricated. Let's just say the relation between police and youngsters is strained for some reason).
People want this to stop, and so they want more protection of the state. The French state, of course, could be said to have been less than effective in stopping these riots and the destruction. People, including representatives, are just point blank assuming this will help the police to be effective.
That the police is the cause of the riots does not seem to make a big impression. "Do not shoot people moving away from you in the face" is clearly to much for the police to handle. When you ask people "what else would you want people to do?" there are no answers, because especially nobody wants the obvious option: another long-term national strike.
Ironically the state has done nothing but grow. This is the fundamental conflict: everyone has to "save" (especially people who can't), but not the state. With inflation people have to spend ~11% less, effectively. The state has decided their absolutely necessary expenses will not even have to return to pre-pandemic levels.
People want protection, that's why this gets approved. But the state, where they believe to get this protection, is the direct cause of most of the problems people face.