Paris-London takes 50% share because it’s 2-3x more expensive than flying if you don’t book in advance. And that’s also including the fact that this specific ro

Paris-London takes 50% share because it’s 2-3x more expensive than flying if you don’t book in advance. And that’s also including the fact that this specific route also has the same level of security you’d get at the airport. Isn’t flight industry heavily subsidised, too?