In this day and age the remaining US Mafia families don't even kill rats living out in the open. So you can understand their priorities in killing someone who's bumped off an associate.
Times have changed. Different priorities for a different time.
MORGAN: Why didn't you fight him at the park if you wanted to? I'm not goin' now, I'm eatin' my snack. CHUCKIE: Morgan, Let's go. MORGAN: I'm serious Chuckie, I ain't goin'. WILL: So don't go.
