This rumor makes sense but it can be only a fair guess. They trademarketd again PS Experience, and back in the past this event was handled in December.
After several Sony events mentioning PSVR2 won't be showcased there, some day they should reveal it and if PS Experience is real for this December, would make sense to showcase it there. And if PSVR2 gets released late 2022 as it seems, late 2021 would be a good moment to showcase it.
Regarding game announcemets, it would make sense to reveal a handfuld of PSVR2 games with the device. Astro seems a fair bet because it also acted as PSVR1 and PS5 showcase. Then Wipeout, it got Wipeout VR but it was an adaptation instead of a full game, they seem somewhat interested in the IP because they are making a mobile game and they recently acquired Firesprite+Fabrik, who have a lot of former Liverpool Studios/Evolution/Bizarre Creations staff so are great candidates to work on it.
But for what we know from Firesprite current projects they said to be working on two AAA games, we got some info from them at job offrs and don't match Wipeout. In fact, one of them could be Horizon VR they are rumored to be making with London Studio (which also could be announced there). Fabrik was also working with Firesprite in a game, that we don't know is one of these two. If it's a 3rd, it could be Wipeout.
Other than these projects, until now the new Sony 2022 games we know were games originally planned for 2021: GoW, HFW and GT7. So Sony should have games originally planned for 2022, some of them maybe now delayed to 2023 (Spider-Man 2 may be one of htem?). We also know they have some unannounced games that started to be developed around 2018 or beyond, so could be announced here for a 2022/2023 release:
-Firewalk's game
-Guerrilla's unannounced project
-Arrowhead next game (if published by Sony)
-TLOU1 PS5 remake / TLOU2 PS5 (maybe bundled in a TLOU2 Director's Cut?)
-Uncharted spinoff (being developed by ND+Bend until Bend moved to a new IP, if it wasn't cancelled)
-London Studio next game (rumored to be Horizon VR and being codeveloped by Firesprite)
-Dreams PC port announcement to be released somewhere after its 2nd birthday?
-MLB 22
It may be too early for Bend's new IP, Haven's game, Deviation's game, Sucker Punch's next game (GoT2?), Kojipro's next game (Death Stranding 2?), SSM Cory's game (seems he took a long rest after GoW 2018), Media Molecule's next game.
They also could show the first trailer of the Uncharted movie, TLOU and Twisted Metal tv shows and who knows if some randome anime they may have in the works using some PS IP.