I imagine it to be like in 'Emissary', when he's no longer on the convential plane of existence, but on that of the Prophets - with the revelation of his mother being possessed by a Prophet, Sisko becomes comparable to the demigods of Greek mythology, so the idea of him 'ascending' to 'godhood' (metaphorically speaking) makes a great deal of sense symbolically.
Especially considering Ron Moore's tendencies - just look at the latter part of NuBSG!
Especially considering Ron Moore's tendencies - just look at the latter part of NuBSG!