All of this reminds me of the movie Dave from 1993.
https://www.imdb.com/title/tt0106673/?ref_=fn_al_tt_1
"To avoid a potentially explosive scandal when the U.S. President goes into a coma, an affable temp agency owner with an uncanny resemblance is put in his place."
They brought in someone to impersonate RBG while she was incapacitated and now they are stuck with her. They are doing everything in their power to keep up the story that she made a miraculous recovery. She's probably brain dead on ice. But we won't know until the big plot twist near the end.