What GP is saying is that your scenario is strictly worse. You meant to argue that commute time is not seen as equivalent to "lifespan time" since no one would make your trade, but in fact your trade is deleting time from a life entirely in exchange for commute whereas commute time may still otherwise be spent somewhat productively (e.g. listening to a podcast, calling your family, or whatever). The difference between someone who accepted this bargain and not, is that the person who accepted the bargain has in fact less productive time overall (because it got deleted in the bargain), so of course no one will make the trade. When I say "deleted" I'm talking about the lifespan reduction, I understand your commute becomes "instant".
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What GP is saying is that your scenario is strictly worse. You meant to argue that commute time is not seen as equivalent to "lifespan time" since no one would make your trade, but in fact your trade is deleting time from a life entirely in exchange for commute whereas commute time may still otherwise be spent somewhat productively (e.g. listening to a podcast, calling your family, or whatever). The difference between someone who accepted this bargain and not, is that the person who accepted the bargain has in fact less productive time overall (because it got deleted in the bargain), so of course no one will make the trade. When I say "deleted" I'm talking about the lifespan reduction, I understand your commute becomes "instant".