Шкловский писал об этом более полувека назад...

Aliens, very strange universes and Brexit – Martin Rees Q&A

My guess is that if we do detect an alien intelligence, it will be nothing like us. It will be some sort of electronic entity.

Ну а об этом "Фиаско" Лема:
In other words, the period of time occupied by organic intelligence is just a thin sliver between early life and the long era of the machines.