More precisely, its a carbon fee and dividend scheme with more steps.

As that also has the effect of rewarding those who choose not yo fly with money from those who do fly, but eothoit the middleman and with the benefit that it applies to everything.

I would support carbon taxes placed at the point of fossil fuel production, but not this. It's very likely the subsidy to non travelling countries would merely increase thier local Co2 emissions.

This is worse than a carbon tax: a carbon tax would incentivise airlines to be more carbon efficient, but this system of fixed air miles means there is no such incentive.