Celebrate? No. I also don’t celebrate water being wet.
Someone did something wrong and they were convicted and sentenced.
A policeman is not the same as a surgeon, a doctor, or whatever other kind of conflation people want to throw at it.
There is a large difference between “Oh crap, my scalpel nicked an artery while I’m doing this extremely dangerous procedure in a wet, slippery, cramped environment that moves, while trying to save this persons life.” and “I grabbed the kill stick instead of the zap stick while trying to get someone out of a car.”