Aston Martin had the pace to finish fifth. They panicked under the safety car and turned a strong race into a damage-limitation exercise.
Fernando Alonso was faster than Max Verstappen in China. Not marginally — six tenths faster over race distance. He finished seventh. Verstappen won.
The difference was one decision: Aston Martin brought Alonso in for a third stop during the safety car chaos on lap 43. They didn't need to.