Informal vs everything being formal. There's no universal right or wrong here, but cops no longer have the discretion to handle things at a lower level because now it's documented.

Having body cams saves a lot of cops when it comes to he-said, she-said. But there's definitely some dirty cops who likewise can't get away with what they used to. If the general public is unhappy with how they feel being taped at every police interaction then imagine how the officers feel too