It is bad news, it is sad news
Of course, the antis will use this against guns and/or hunting, even though bicylcing and swimming are more likely to kill a kid accidentally than guns or hunting.
The goal in hunter and sports shooting safety should be zero accidents; of course we cannot rest on the claim that some unsuspected alternates are more dangerous.
You can't even rely on the point that "no sport is safe" because "no sport" activity contributes to the national obesity problem, so no sport is not safe.
Life is the risk of death no matter what we do, and individual situational awareness is the only true safeguard.