Total CO2 seems to be for the flight, rather than per passenger ? That might be a good idea or a bad idea but, for me, it would seem to be more suited to privat

Total CO2 seems to be for the flight, rather than per passenger ? That might be a good idea or a bad idea but, for me, it would seem to be more suited to private jets rather than scheduled flights ? I'm really not sure, it's for the writer to say.