Even if you think we will need them, we would still have to level and start over.
Body cameras haven't fixed the police. Being filmed by the public does not stop them.
You cannot reform an institution that doesn't want to be reformed, especially when we have armed it so.
"We need police" but now you only have a skeletal department.
That's assuming you succeed at any real level.
But the police have been given unique power and position in our society that exacerbates this.