These days the technology can solve our problems and then some. Solutions may not only erase physical or mental deficits but leave patients better off than "able-bodied" folks. The person who has a disability today may have a superability tomorrow.
We've been co-evolving with our technology for a hundred thousand years....
If we had had the right technology back then you would have seen Eva Braun...
The most pitiful among men is he who turns his dreams into silver and gold.