This makes sense if your only use of the car was for your commute but many people use a car for other activities as well and if you have one the incremental cos

This makes sense if your only use of the car was for your commute but many people use a car for other activities as well and if you have one the incremental cost of driving to work could be less than mass transit, hence the complaints about the high cost. Personally, I hate driving and would much rather use the train.