The German GP has been pulled from this year's schedule, and Monza's contract expires next year and might not be renewed.
In my time watching F1 Europe has lost the Dutch, Portuguese, Swiss, French, San Marino and Austrian GPs. Austria is back, but for how long? Hungary came and went and came back again.
In other places we lost South Africa; Canada is not a definite any more; the US can never make its mind up about F1; Mexico might only be a one-off and Brazil might not always be there due to costs.
If the teams will not do anything about Bernie maybe it is time for the circuits to club together and tell him where to get off.