As long as you have casino's with their doors wide-open in relation of signup(s) and deposit(s), this self exclusion is worth jack shit.
In the states and country's like canada they have a walk-in in relation to casino's, even if you where banned from those places, they dont ask you for any of your iD. You can play, you can win in the margins, but the moment a handpay comes in your denied from your winnings.
There are casino's who feed on this. They even advertise with it, or at least their affiliates do. If you have a problem with gambling, try to avoid the obvious. Not going into gambling forums, watching streamer video's and so on, but do something that really brings you diversion as it is a goal to diverse your mind off from gambling. Trust me you'll see a change in two weeks. Breaking habbits is tough; but not impossible.