I saw the photos of the streets around the arena, and yea, looks good comparatively speaking. But these arenas have levels below the street. It is possible that the lower levels below street level were flooded, making it dangerous to bring people into the building.
And then I heard later that they were going to open it. I don't know the actual facts, but I do know this -
Whether he opens his mega-church to the needy or not, doesn't matter - he's still a charlatan and a crook.