If the first world country (U. S) so aching to bring it's ''first world'' problems ( like diversity) to the rest of the world, Why soviets for some reason suddenly became brits? If you do real life events of people and countries outside of America and UK, you should get their actors who can deliver job as well as yours would do.

FX half-did it with ''Americans'', NETFLIX did it with ''Narcos''. Chernobyl should have Ukranian and Russian cast. Double standarts from american tv corps.