His claims are still dubious.
Even so, based off of the article, it doesn't appear that black slaves had anything to do with the sandwich which originally comprised of french bread and boiled or fried oysters.
The pulled pork/brisket situation is still murky.
BBQ itself is an influence of african, spanish (barbacoa) and native influences.


You might want to research African American history a little bit before you keep writing stuff. Hint: a lot of the foods that you eat in the America that you think are Americans foods are actually from African Americans. Think about it: Paula Deen is selling you food from recipes that she got from Black people. The name "Po Boy" should tell you who invented it.
Btw, here is an article that clears it up:
If po-boys were invented in 1929, how was Louis Armstrong eating them a decade earlier?
If po-boys were invented in 1929, how was Louis Armstrong eating them a decade earlier?