The newspaper article gets part of it a little screwy:
It's not that you "travel a trillion light years" or that the other universes lack what is needed for life. Both of those concepts are rooted in the metaphors that are inherent in the universe we inhabit and are thus, by definition, irrelevant to the other universes.
Travel a trillion light years beyond the Andromeda galaxy, and you might find yourself in a universe where gravity is a bit stronger or electrons a bit heavier.
The vast majority of these other universes will not have the necessary fine-tuned coincidences needed for life to emerge; they are sterile and so go unseen. Only in Goldilocks universes like ours where things have fallen out just right, purely by accident, will sentient beings arise to be amazed at how ingeniously bio-friendly their universe is.
Even the computer simulation part is just another, this time more modern, metaphor. If it works as a metaphor, it's just because the people who thought up the metaphor have been able to lift the veil, so to speak.
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