Track length is critical for spectator appeal. Bigger is not better. Calder was ruined when they lengthened it and the long circuit at Winton is a shocker, providing none of the racing action of the short circuit. Also the softness and grip of tyres has reduced spectator appeal. gone are the days of tyre smoke and squealing which is why drifting crowds eclipse the circuit racing crowds. One big plus for Goodwood is the four wheel drifting due to skinny hard tyres.