A couple reasons why I think they would:Yes, that is why I mentioned that they say a few sentences before the "no plans to make another Witcher game" that they are not allowed to reveal the studio's plans to the public because of the stock market. So, it is stated in the interview itself that the information might be unreliable. Although it is also known that at this time they are not hiring anyone for Witcher related projects, almost all jobs here are about Cyberpunk 2077 or GWENT.
It would not be that surprising if no more Witcher games were made, it probably depends on the success of Cyberpunk 2077 and any other new IP. Without the already known characters, it might just as well be in a different universe not constrained by the Witcher books. Although it may make sense to stick with the Witcher for brand name/marketing reasons, but making a sequel or "reboot" to an already completed saga after a long time (and not unlikely by different people) can also be risky and it might not be received well by fans of the previous games.
1. Brand name. It's already a well-established brand, and with W3, is well-known and highly regarded in the mainstream.
2. It saves them the need of creating an entirely new setting or making a new deal for an established one from scratch if they ever get the itch to go back to fantasy
3. I'm not exactly clear on the specifics of their deal with Sapowski but from what I understand they own the video game rights for Witcher, so they don't have to keep paying a licensing fee which was what made Bioware abandon Baldur's Gate to make Dragon Age
And I've seen a lot of people on the forum and elsewhere (Facebook, Twitter, YouTube) be quite open that they'd welcome another game set in the Witcherverse, Geralt or no Geralt. Besides time makes the heart grow fonder, and we're not getting another Witcher game anytime soon. Those who feel opposed to it now might feel differently 5-10 years from now, where we've gone without another Witcher game for quite a while.