It may not matter, as on paper Kelderman is a better tester than Tao--37 seconds ahead on Stage 14. As Andy says, you do get unusual performances in TTs that matter so much. Let's hope that perhaps Tao already manages to make a difference on the mountain stage.
Hindley was 1:15 behind Tao on Stage 14:
https://www.cyclingnews.com/races/giro-d-italia-2020/stage-14/results/