Your case is very clear cut, but for some journeys where travel times are closer together, e.g. 1 hour flight versus 4 hour train people do tend to forget that there is extra time wasted going to the airport, checking luggage, boarding, whereas the train is “just there”. Depending on your location going to the train station may also be faster than going to the airport, maybe even cheaper!
That said, the price of each journey most likely will always favour flying at the moment.
Your case is very clear cut, but for some journeys where travel times are closer together, e.g. 1 hour flight versus 4 hour train people do tend to forget that there is extra time wasted going to the airport, checking luggage, boarding, whereas the train is “just there”. Depending on your location going to the train station may also be faster than going to the airport, maybe even cheaper!
That said, the price of each journey most likely will always favour flying at the moment.