Yes, there are many such reasons one would prefer to be at home that have nothing to do with the individual's physiology/neurology. But as you guess, I'm located in the US. Disability is a rapier with which to sharply defend oneself against predation, not something our work-worshiping society actually cares about. Having responsibilities outside of work which aren't due to legally protected disability is widely considered unimportant, a distraction, or a liability.