True. But the concept of the unity of Hell, in the traditional Christian sense, isn't quite so uniformly spread across cultures, I think.
Really, the challenge of writing such a dialogue line is twofold: a) make up some religious phrases that sound believable for the inhabitants of a galaxy far far away; b) don't reduce the audience to conniptions of laughter in the process.
It's a tricky balance, and with ESB Lawrence Kasdan evidently preferred to err on the side of the latter option.
GL, on the other hand, evidently favored pseudo-exoticism in the dialogue of the prequels, often with decidedly tin-eared results ("younglings" comes to mind).