The calendar is a mess. I appreciate there was a time when the F1 title race built up to a boil in September and was then decided in South Africa on New Year's Eve, so we must consider it as a young series.
I think, nonetheless, there is a massive missed opportunity to get some good Southern sun races in the F1 off-season, where Ecclestone can't screw them over. I think there's a range of possible venues - Rio? Australia/NZ? Punta del Este again? It'd be the right time to get a metric tonne of visibility.
In fact, with FE having Di Grassi and Piquet and F1 having maybe Nasr, FE should be in Brazil!
They do seem to have a compact run home though; that should be good!