Or even just in allowing people to live in the community, and earn a wage (even if it's a subsidised one) rather than needing to be institutionalised or have round the clock care (the original context was yummyfajitas' use of the word 'retard').
And there's the other point - do you really want to live in such a dog-eat-dog society?
I totally agree. Actually, I only didn't make that point because the benefits productive/happy members of society are less obvious. So what if some of these kids become baggers at WalMart? That is much better than someone who can't live on their own or hold any job down at all.
And there's the other point - do you really want to live in such a dog-eat-dog society?