A squirrel has a brain the size of a small M&M and yet they provide for their future. Able-bodied people need to work, and even disabled should be able to fit into being productive.
A few decades ago, there was a Walmart greeter, who had all four limbs disabled and a tracheotomy, yet she seemed to enjoy herself as it was a chance to mingle with other people.
Back in the 90's I went to both a courthouse cafeteria and a Walmart cafeteria that were operated by a blind person. The courthouse cafeteria was owned by the blind person, but they had a sited person helper. The Walmart blind person ran the snack bar completely alone.
Unfortunately freedoms for some is the enslavement of others. If everyone is free, Afghanistan would still be Afghanistan and in 1000 years it won't be different. The best thing we can do is allow others access to America.