If you constructed a world in which an atheist Seth makes sense, then yeah. But Seth canonically believes in and refers with respect to a God, unless he's trolling Natasha just to get laid.
Or Darwinist
There is no such thing, unless some fringe group of people accept Darwin's ideas as-is per On the Origin of Species and not the 150+ years of refinement to the model of genetic selection. Acceptance of evolution is not remotely the same thing as belief in an ideology like Christianity or Communism. It's not a value structure. It imparts no information on how to live one's life. It has no ethical content.
Especially the communist
Oh, yes. If we're writing a Stalinist AU, Comrade Seth would be a model for all to follow. That would work.
no subject
Or Darwinist
There is no such thing, unless some fringe group of people accept Darwin's ideas as-is per On the Origin of Species and not the 150+ years of refinement to the model of genetic selection. Acceptance of evolution is not remotely the same thing as belief in an ideology like Christianity or Communism. It's not a value structure. It imparts no information on how to live one's life. It has no ethical content.
Especially the communist
Oh, yes. If we're writing a Stalinist AU, Comrade Seth would be a model for all to follow. That would work.