Well, if the hidden bullshit fees get rolled into the upfront cost then it will entice fewer people to fly. But yes, mainland Europe has the kind of density where they should be focusing on high-speed-rail to the near-elimination of continental flights.

In the climate-changed world, if you're not going over the ocean you shouldn't be flying. Which is why the foot-dragging on high-speed rail particularly in the Americas is obscene.