They just aren’t making money from them like they used to. You can’t expect to port a game to PC 2 years after it releases, spend $0 on advertising and then say “mhmm, this pc thing isn’t working out, no one’s buying our games”. Check the Steam charts for their last few ports, they’re resembling a flat line. If they dropped the game on PC day 1 they would’ve made more money on PC sales, which is a terrible precedent for them, as it means that the age of the console has come to an end. Luckily, some of Sony’s biggest partners already realized that:

bloomberg.com/…/capcom-targets-smartphone-gamers