CNN  —  Lewis Hamilton stunned Formula 1 when it was announced he would be joining Ferrari last year, but not everyone thought the move was a good idea. At 40, some critics say Hamilton’s best racing years are behind him and claimed the Scuderia might only have signed the seven-time world champion for marketing reasons. Among those to question the deal were the sport’s former CEO Bernie Ecclestone and former F1 team chief Eddie Jordan. In a recent interview with Time magazine, published on