One thing that I never understood about the US medical education is the requirement of the bachelor's degree (pre-med) before applying for most med schools. In my home country and many others, you can directly apply to med school. Now that the college costs are quite considerably expensive, four-additional year of college studies simply adds to the cost of becoming a doctor and therefore, the newly minted doctors exp…
Personally, I think it's a good requirement. It forces people to spend a bit more time maturing before they finish school, and it also providers an opportunity to pursue a different field before entering medical school, or provides a different background when practicing clinically.
I also can certainly agree that not having it can be beneficial in points you mentioned as well