That's literally not truw his aim is really good, idk what are you talking about is his individual decision making that makes him die. But if you think dying a lot = bad aim, then hell no
what an igl does to a team will always be intangible as fuck but when a team runs into a 3man stack b site and still wins the round is why you need a good igl tbh. or just be like fnatic yesterday go into sites with 1 guy with the 3000head reads