friends and families are discouraged when they realize they cannot drive home to me and park here. Instead they must spend 1 hour on train. This in turn increases isolation of people.

During most of the day, driving to the center of Madrid is way, way slower than taking the train. The city is quite antisocial right now, full of people incapable of moving around the city due to a huge stream of cars occupying most of the space in the streets, but barely moving.

Was the car faster? Is taking the train actually difficult?

I live in the US, in a state famous for requiring a car. I genuinely miss when I could take the train to work, and my family visits me less now that they have to drive into the city rather than park at a train terminal and ride transit in.

Nobody can land a helicopter on my flat but I still have friends. Cars are about as practical in city centres.

This is because you have a shitty public transport because your city focuses on cars.