I would rather buy a Japan-made Epiphone than a Korea-made one, and never mind if I don’t save on epiphone sg special at musicians friend. It sort of reminds me of the Nokia in the early 90’s, they had units made in Finland and some (at the time) were made in China and there was always a premium put on the Finnish-made ones. While I’m sure Nokia phones are made to standard no matter what factory it comes out of, anyone I know who could afford the little extra expense went for the Finnish made phone.
I might say the same for Epiphone guitars, opting for one made in a Japan factory than one that came from a factory in Korea. It’s just my own preference, mind you, like my preference for Japan-made Nikon lenses rather than the ones made in Thailand.