> Doesn't every good have some level of money required to be able to afford it? Yes, of course. The point here is that a carbon tax further skews the situation

> Doesn't every good have some level of money required to be able to afford it? Yes, of course. The point here is that a carbon tax further skews the situation in favour of the rich. We, as a society, accept the current situation as a compromise between fairness and "market efficiency", and hence are worried by shifts away from it. To a large extent this is a "status quo bias", but it is natural — if people could afford something until now, but are suddenly being told that they won't be able to, they'll be, rightly or wrongly, unhappy.