There are many things like moving furniture or even larger amounts of groceries that are infinitely harder without a car.

And then there is also the question of the environment on that public transport. IME "good enough that complaints remain manageable" seems to be the target here unlike a car where you can have private entertainment and air conditioning (not to mention sufficient ventilation) to whatever level you wish.

And even for relatively frequent public transit routes you end up wasting quite a bit of time waiting. Even more so if your start and destination don't happen to be close to the same route.

You don't need to move furniture every week, so you can always rent a van for that. Using a car for the 500m to my nearest supermarket seems a bit silly, but these days our groceries are delivered to the front door.

All of this is a matter of how you design your cities. Some have been designed so you have no choice but to use a car, others have been designed so you don't need a car at all. I know you don't control the design of your city, but others do. They could be making different decisions.

> And even for relatively frequent public transit routes you end up wasting quite a bit of time waiting.

The same is true for busy car routes.