Sad news: It seems that overseas collectors are beginning to find out about the existence of book-offs. Will Japan's used games be hunted and disappear?

Sad news: It seems that overseas collectors are beginning to find out about the existence of book-offs. Will Japan's used games be hunted and disappear?
・ Featured articlePS3, Wii, 360 ← Is it okay to say that this area is all retro games? [Sad news] Retro game Mr./Ms., the boom is so overheated that even things that I don't know why are sold [Sad news] PS1 and PS2 era games that I want to port, too many 1 : Nameless PS Bulletin Mr./Ms.: ID: ofgwuFny0 A group of foreigners in the book off ......

The linked article is in Japanese.