We’ll see. This is a pretty crazy rumor.
That said, I’ve always kind of felt like Metal Gear and Silent Hill were PlayStation franchises anyway, and it would make a lot of sense for Sony to be the one to take these forward, instead of them languishing in Konami’s vault.
When you also consider that Sony has close ties to the original staff for these games...
Not so sure it makes sense for Konami. Licensing these properties to Sony on a case-by-case basis would be far more lucrative, and offer the company the ability to step back into making them, if they ever cared to. It would have to be offer-you-can’t-refuse levels of good.
I don’t want Castlevania anywhere near Sony, though. Based on their output thus far, and the rumors here, they’re every kind of wrong for the series. I can see exactly what they’d make, and it’s Lords of Shadow-level appalling.