A Sony spokesperson has made a somewhat cryptic comment about PS5 backwards compatibility that already has fans interpreting it from positive and negative viewpoints. Sony is focused on PS4 games, while there is no answer in regard to PlayStation 5 backwards compatibility for PS1, PS2, and PS3 games.
https://www.notebookcheck.net/PS5-backwards-compatibility-focus-is-all-on-PS4-games-as-Sony-has-no-answer-about-PS1-PS2-and-PS3-games.478680.0.html