[Oni]

Since this was posted, Sony has changed their mind slightly:
https://arstechnica.com/gaming/2021/04/s...ores-open/

PS3 and Vita stores will remain, but the PSP store will be going away.

To add to the strangeness of it all, someone has made a browser plugin to access the old store.

Supposedly old titles are still available for sale, just hidden from the average person's view:
https://www.siliconera.com/fan-discovers...ill-works/