But he could take two spares and no problem then. That's the reason why others took two. He took risk and he was aware of it.
If he will have 3 punctures you can complain, but with two with such road conditions it was nothing special.
Everyone knows the rules and then it's about risk management. He was aware of it, that's why he stopped on the stage to change slow puncture for rim only and then did opposite after the stage. But road section was too long, etc.
That's normal, this is well known that even with best wrc car driving on 3 wheels won't be successful