Theoretical physics shows "irreducible complexity" arguments invalid.

[Angrboda]

The backdrop for the steady growth of entanglement throughout the universe is, of course, time itself. The physicists stress that despite great advances in understanding how changes in time occur, they have made no progress in uncovering the nature of time itself or why it seems different (both perceptually and in the equations of quantum mechanics) than the three dimensions of space. Popescu calls this “one of the greatest unknowns in physics.”

“We can discuss the fact that an hour ago, our brains were in a state that was correlated with fewer things,” he said. “But our perception that time is flowing — that is a different matter altogether. Most probably, we will need a further revolution in physics that will tell us about that.”

This is an interesting melange of quantum information theory, MWI, and decoherence, but the final paragraphs seem to indicate that this is much ado about nothing. The problems in quantum information theory remain problems, and the mystery of the arrow of time remains a mystery.