You only quoted text, did you mean to follow up with an edit to explain why that is relevant?
OP said planes are currently fast enough and they want more comfort rather than more speed, not that comfort is the only priority and the planes can go any speed whatsoever.
OP said planes are currently fast enough and they want more comfort rather than more speed, not that comfort is the only priority and the planes can go any speed whatsoever.
Could you explain your interpretation?