It's not anyone's church, but merely a symbol of an abstract concept.
Not too surprising an answer, indeed.
"Thank you."
Expressing his gratitude for the Tomb Guardian's explanation, Fu Qian moved forward and found a seat by the long table.
As a posthumous Heaven, the Paradise, so far, has indeed shown little trace related to the Superior Being.
This is why he became even more interested upon seeing the church initially.
Yet, it seems whether it's Sin City or this true City of Bliss, the people here have no concept of the "Stomach" they once revered.
It seems there's just such a building here, and then they naturally interpret it.
But he cannot do that.
Although no hostile actions have been taken against him so far, his relationship with the Stomach runs a bit deep.
Not only did he destroy the projection of the White Head Holy Church, but he also took down its Ecstatic Servant—and even took advantage of it.
