Point 2: actually a very significant portion of pollution from cars are micropollutants from tires and not related to emissions Point 3: trains. Point 4: if we’re considering random scenarios: “oh no my car broke down” is… much more common than “my loved one is in the hospital”. Good public transport is only marginally slower, and is a more pleasant experience as a whole.
Most of these are from you never having had actually good public transport, it seems to me.