Bad lawyers also don't kill people as frequently as bad doctors.
You mean other than death row cases and suits to pay for life-saving treatments and suits that affect product safety and prosecutors who fail to convict violent recidivists and ... ?
Less than three quarters of a million people get HAIs each year. About 75,000 of them die.
https://www.cdc.gov/hai/surveillance/
Meanwhile lawyers operate at scale. How many people do you estimate would have died if tobacco companies had won their challenge to laws prohibiting them from advertising to children? And that's the damage from one lawyer losing one case.