SSDI is insurance. It's not needs-based, although earning a certain amount of money can show that you're not actually disabled. You're thinking of SSI, which is a form of welfare. Chris's SSDI is based on Bob's income because Bob got him on it as a child and got him grandfathered in as an adult, so he gets Medicare instead of Medicaid and more than you'd get on SSI without having done any substantial work in his life.
that's probably the one thing about chris' life story that pisses me off the most. He makes 1200 a month (up from 800) all because daddy bob signed him up for what should have been
his SSDI earned for his retirement after working his ass off for years as a moderately successful engineer for general electric.
Yet here comes mam baby chris blowing that so called "monthly tugboat." Which should have at least supplemented the megar income he'd have made at Wendy's (had he never been fired from them) but since the fucked up system didn't
require him to work to earn it just not make a certain amount larger than minimum wage, he goes and blows it all on legos, video games, later pony toys and other crap made at cons, and god knows what else for 20 years.
Meanwhile people who aren't infantile buffoons like us are lucky enough to break our backs at a day job just to have to have food to eat, an apt to sleep in, clothes on our backs,
then maybe...just maybe something to enjoy ourselves with (internet, tv, phones ect)
Chris doesn't know how good he has it (all things considered) and won't know till after barb croaks, then things like the funeral costs, the mortgage, the property taxes, the debt with the credit companies barb left him with, all start to pile up.