Hmmm. Would a movie lose its seriousness to you if you know it is a white man portraying an Asian man? Using white actors in blackface was very common at the time. Plus there weren't many blacks living in the Hollywood area circa 1914.
I agree with you that it is very difficult to tell apart...
First, I would like to warn those of you that are planning to watch BOAN (some of you have to watch it in order to successfully complete the AFI challenge) that it is three hours long. If you think "talkie" three hour movies can be an ordeal, just wait until you try to watch BOAN. Unless you...