Why not?
Arm strength: Rodgers
Touch short/intermediate throws: Even
Touch deep ball: Rodgers
Scrambling ability: Rodgers
Athletic ability: Rodgers
Quick release: Rodgers
Leadership: Close but…. Nobody is better at this than Brady.
Processing speed: even
Presnap: Even
Hardware: Brady
Overall: What separates Rodgers from Brady is the damage he can do with his legs, elusiveness and touch on deep ball. Rodgers is better and younger but really, this is close and is like choosing between Ginger and Mary Ann