I honestly don't believe that this is an actually common archetype. I have met enormous amounts of people with undiagnosed or undertreated chronic issues manife

I honestly don't believe that this is an actually common archetype. I have met enormous amounts of people with undiagnosed or undertreated chronic issues manifesting as varying degrees of fatigue preventing them from functioning, and your take just sounds like an attempt to justify the systemic discrimination against them that I see everywhere by vilifying them.