In Japan, companies like Square Enix and Konami have supported the PSN by re-releasing treasured PS1 classics onto the PS Store. However, the rest of the world's catalog has been quite lacking. Yoshida explained that these digital downloads don't offer much profit, calling the potential monies "insignificant." He also noted that there are many issues involving licensing, especially with the music found in older games. That usually adds to the difficulty of bringing back PS1 games.
While lamenting the lack of PS1 support on the PSN, he did ask us a favor: "Maybe if you can convince the third parties."