If he wants to make things work with me, he is going to have to change. I'm done walking on eggshells.
This sounds like a good 180 to me. You can consider filing for D as a LRT, or self-preservation, but it is not "doing everything for him" because it will not be on his terms.
This is a logical follow-through to "letting him have it." I'm not sure what percentage of Busted Divorces included filing for D as a LRT, but in your situation I think it fits. Not to mention the financial issues.