The majority of costs to the airline are in taxes, airport fees, and lease costs of the plane. I think you’ll be surprised to find out that fuel consumption is a very minor part of the ticket cost. You must also consider that the increased fuel consumption of +50kg of extra cargo to a system that is 100+ tons to begin with is going to be a bit negligible.

Sure you could have a progressive weight charge. But it’s gonna be more like $1 for someone who is twice your weight. Not twice the ticket price.

Regular people don’t drive through central London to get to work or go to the hospital

This is going to be pretty interesting, despite seeming far behind Apple is very well positioned to benefit from the AI developments. Apple has an opportunity for deep integration of AI features into the operating systems as well as offline compute through specialised silicon design that no other company really has.

At £13 a month the TV license is not competitive with streaming services. If this new thing gives you access to the entire back catalog it at least becomes a bit more reasonable.