This sales are always sadistic and their purpose is to punish PSN Plus owners. For example: Lord Of The Fallen Complete Edition is just 6 euros while their DLCs and full pack are much higher than the full game for those who got the game through PSN Plus some time ago and they can't get the full game unless they pay full price for DLCs. Same for MGS5 Complete Edition which has both GZ and TPP + all DLCs which is dirt cheap but I had to buy DLCs costing more than the full edition because they offered GZ with PSN Plus and you can't get full pack for cheap. Same for Resident Evil pack too.
They should offer very big discounts for DLCs (that they never did) or let those who got base game buy full versions (at least when on sale). I see offering handicapped games through PSN Plus then not reducing DLC prices when they offer full games at almost no price is a way to punish PSN Plus owners for getting (their mutilated) games.
All those games are sitting in vain in my library and I don't play them because I don't play incomplete games.