The problem is not the PrimeDice, the problem is within you. If you really want to stop gambling you should help yourself not to play again or seek professional if you really can't control it and upon checking the PrimeDice policy about Self-exclusion here's what I found:
You should not attempt or proceed to open any new accounts during your self-exclusion period, or indefinitely if a permanent self-exclusion has been selected.
This is actually a personal kind of problem and not on Primedice.It is really very common for someone who do have addiction problems on pointing out their fingers into the house that they do have bad exclusion
system or other things which they could blame them off specially if they had lost big or huge amount of money.They had requested it, so it would really be just be part of yourself on having that control
on not to play even more or further because if you do then there's no other to be blamed off but only yourself and not the company or sites or platform.
You are both correct that the blame must be for OP in this because it is His obligation to control himself or never let to become addicted but what OP is pointing is that the Feature of Self Exclusion in each gambling site in which I believe that the site will comply. as the players will not use this feature if he is still capable of stopping, in this matter it is that the player is completely powerless to stop and asking the site for help for at least block his IP address at all cost so he will never had any chance of playing in that specific site though he can use VPN but at least this is on his own risk.