The United States is indeed near the top of the list in percentage of car ownership, but it's pretty high in most of the developed world. Arguably, there's less of a "private car oriented culture" elsewhere but most adults still own cars nonetheless.
Yes, and they often pay a lot more for parking as well as for things like tolls; let's also not forget the cost of the cars themselves, which can be much more expensive than the states (e.g. Denmark, Singapore) or have crazy fast depreciation rates (e.g. Japan). The economics of these different markets are very Unamerican.