Daniel D'Addario Chief TV Critic“I just kept thinking, why isn’t anyone stopping us? Why didn’t anyone stop us?”Amber (Laura Dreyfuss) is addressing her wife (Jamie Neumann), deep into a scheme that has spiraled beyond either one of these two white women’s control. On their way to the madness of this moment, they’ve demonstrated both a powerful and shocking inhumanity and the grim whimsicality of racism – the manner in which new rules can be created by the people in charge breezily, as if for their own amusement.This is, and is not, “Atlanta.” The show, returning to the air for the first time since 2018, has jettisoned its cast for this installment, stepping outside the plot to tell a story of startling power.