It'll make sense to see more Sony titles coming to PC day 1, will be pleasantly surprised if we hear Wolverine getting a day 1 release for PC, but it's still something I don't necessarily see as a real possibility.
Fact is, there's a lot of developers and publishers out there that are noticing the writing on the wall with how games are being made and consumed nowadays... there are less and less people finishing their titles, and there are more and more games being made; heck, just next month alone, we're getting: Kingdom Come Deliverance 2, Rift of the Necrodancer, Sniper Elite Resistance, Civ VII, AC Shadows, Avowed, and freaking Like a Dragon a Pirate Yacuzzi in Hawai.
There are simply too many games coming out for people to worry about some exclusives, no matter how good these are, or how much do people like them. I love GTA, but I'm not getting a freaking console for six -I prefer to wait the year, upgrade the PC, and eventually play it in my platform of choice-, same with Ghost of Yotei; loved Ghost of Tsushima finally coming out last year... but I am not gonna pay to buy a PS5, just to get Ghost of freaking Yotei... It seems as if Sony is also using a lot of its PC releases as a way to promote their future projects: Ghost of Tsushima gets released last year given its sequel will get released this year. Now TLOU2 is releasing this year -hopefully a good port-, given the second season of the show will also release around spring... this type of strategy seems a bit silly to me.
Eventually Sony will have to make the leap the same way Microsoft has done it, they're simply leaving too much money out of the table for them to keep this periodic game releases going; my guess is that they'll "test the waters" by releasing one of their big games to PC (such as Wolverine) and see how the game fares in sales and reaction from the players... it'll be fun watching fanboys having a meltdown; but for the industry at hand, and the vast majority of players; I think it'll be a welcome change to get a game like that day 1 with more to come after the sales increase significantly for Sony first party releases.