Because a jailbroken PS4 doesn't stay jailbroken with a reboot. The system's secure boot hasn't been broken. So a system update that fixes the exploit and requi

Because a jailbroken PS4 doesn't stay jailbroken with a reboot. The system's secure boot hasn't been broken. So a system update that fixes the exploit and requiring that firmware to go online is all that's needed to keep jailbroken PS4s out of online multiplayer games. Breaking this would require an exploit in the bootloader.