Very serious.
I suspect almost everyone will disagree with you, I do for one.
As is their and your prerogative. It will not stop me making the point. Just because the majority on here have an opinion, doesn't make it the only opinion or even the correct opinion.
What makes you think that their car won't add to congestion or pollution?
I never said it wouldn't, I said that the congestion and pollution price of 1 car on the road taking a family on a return trip to the airport, os a price worth paying, if the benefit is the removal of 4 cars from the road everyday (of people who would take the train to work and back if the commuting and intercity connections were more reliable). The fact that you are taking 3/4 people on one car rather than 3/4 people in 3/4 cars, or the fact that it is 1 return journey in the week rather than 5 return journeys in the week, really should be obvious, even on this forum.
Where would all the cars be parked if people didn't go to the airport by train?
Manchester airport is surrounded by a) fields and b) flat surface car parks. If private company wants to attract passengers it should start by spending its own money turning some of the flat surface carparks into multi-story carparks. The alternative is we have to continue providing huge amounts of car parking in the city centres where there is less space and the land could be put to better use.
Why should people who live near the airport put up with yet more traffic when there is a perfectly good rail service - or the potential for there to be one.
That logic can apply to anywhere. Why should the people who live near the port of Liverpool have to put up with yet more traffic, when there is the potential for an expanded freight rail service.
Why should the people of Fleetwood put up with more traffic when there is potential for there to be a good rail service.
My experience of driving to Manchester airport and using the parking and shuttle buses has been enough for me to look only at flights that I can get to or back from by train, or use other airports, even using hotels at other airports if the fares are cheaper by a big enough margin.
Your experience does not tally with mine. Unlike other airports I have been through, I find the park and ride facilities at Manchester Airport to be one of its few redeeming features. Against the stress levels caused by unreliable direct trains to the airport leading to the risk of missing flights, driving to the remote jetparks throwing, bag and me on the shuttle bus is a breeze.
One thing that we maybe able to agree on is that 15/16 should be built to improve flows through the Castlefield corridor. However it should have been built instead of the Chord which is just leading to a domino effect when it comes to rail service disruption.
There are a limited number of paths for rail services across Manchester. It makes no sense in the slightest to use 2 paths for the same train. To then do that for 4 trains an hour using 8 of the valuable cross-city paths in each direction is insanity.