That so called "original sin" does not know any racial discrimination.
I would refuse to go to a homophobic heaven.
We need other human beings in order to be human.
Forgiveness is not generally something that you find as a coin to be used by politicians.
In my country of South Africa, we struggled for years against the evil system of apartheid that divided human beings, children of the same God, by racial classification and then denied many of them fundamental human rights.
Ubuntu really says if you want to be nice to yourself, start in a way by being nice to the other.