Wow- why did you have to say that? It was extremely rude, and something you would never say in person to someone’s face. Please grow a heart. Or at the very least- learn some manners. And of course they are disabilities. Educate yourself about this type of pain, and what it is like to walk a day in their shoes. Anyone who is still working (or not) who has these disabilities goes through pain 24 hours a day. Talk to some of those people you work with and ask them what they think the future holds for them.