The vast majority of prosecutors are true professionals, keenly aware of their immense power and its consequent responsibility. They form accurate conclusions on guilt far more often than the converse. Still, cognitive bias and overconfidence touch us all.
Advising the accused is not a politically popular job. But it is a necessary one. To criticize defense attorneys, the chief checks against prosecutorial abuse, is to promote a judicial system of error by stigmatizing a key motivator for better prosecution.