Training people can be harder when the trainees have to unlearn bad habits or knowledge. Ask anyone who has tutored previously self-taught students an artform or craft.

In some ways, media exposure can help to introduce broad concepts, and sometimes there are excellent examples in media (My Cousin Vinny and Legally Blonde have been used in some US law school course curriculum to show how the parts of the judicial system are supposed to operate, iirc), but oftentimes preconceived notions can hinder training for the real thing.

The subtle difference between their voices is the crying.

Not to add to the whataboutism, but don’t forget how the US firebombed Tokyo.