Earlier quoted context omitted.
If we are going to decide some carbon emissions more essential than others. Why not just exclude them from the carbon taxation to begin with?
Because wealthier groups and individuals can afford to pay taxes that impoverished people can't? There are all kinds of subsidies for the poor today where wealthier people pay a higher price. There is precedent here for that.
Yes, definitely. I could afford paying 50% tax on flights. Most people in the world could not pay 50% more for their transportation.
The problem with a carbon tax is that it values all emissions equally. But on a global scale, some emissions are more essential than others. (Food, shelter, transportation to work etc)