Ferrari's former tech boss Aldo Costa was replaced because of internal politics says team boss Stefano Domenicali.

Domenicali: I've never seen him as a scape-goat, but it's also true that the responsibility for a car's project in the end is the technical director's. There were internal reasons: if the players don't get along with the manager, changing 11 players gets difficult. Also, design for the following year's cars begin in spring. That's why we made that decision at that time with the future in mind.