That's a harsh reality the Gen X and older Millennials are going through. They haven't done better than their parents. Half of them can't afford to move out or own a home.
I understand Dan not wanting to ask for help but Darlene and Becky could've done more if they really wanted to. They can get the mail before Dan and pay a bill. The writing has made them lazy and entitled adults. Becky was like that in the original show but Darlene, as others have said, changed a lot under this reboot.