Car depend infrastructure is amazing to families. A mom can take her children to the grocery store in a car in relative safety without worrying about mentally ill homeless people on the subway.
Why would you need to get on the subway to go to the grocery store? When I lived in Paris I was within a five minute walk to at least three general grocery stores plus various speciality shops. Always plenty of parents all around. This is not uncommon in properly designed non-car dependent cities. Not to mention deliveries are just that much easier and all without a car.
Surely the priority should be to help those with mental issues and those without homes? It's bizarre to want to live in a society that prioritises car use so that people don't have to see those discarded by the same society.