And the show is aware that a black man being a hero for this particular country with all the hardships and treatment towards men of color would be an issue.
And they directly addressed damn near every one
1. Black decorated soldier still can't get loan at bank
2. America history of experimentations on black soldiers
3. The lengths they'd go to erase dirty racist history to save face
4. America willing to put a clown like John Walker in the mantle to avoid making it a black man
5. Isiah's own words that no self respecting black man would ever want to be Captain America
Like these are all legit arguments any fan who wanted to bring race into the discussion would present. And I feel like they were all properly addressed. I personally feel like if Sam is 100% Captain America going forward.... This show was very responsible in addressing the racial aspect of it.
I ain't calling Uncle Sam a coon