DRM were in the game consistently and known beforehand. You see it starting up before the game itself launches. You cannot play the game for a second without it.
Psn was not required for 99% of the game's lifetime, was listed in Sony's TOS as optional for PC users up until the recent fiasco, and is not available in many regions the game has been sold. Also, Sony got hacked like a dozen times in a handful of years.
Now why would one of those go down relatively smoothly and the other not?