[r0naa]

>Remember that it's not just people in wheelchairs who benefit from accessibility though.

In addition to that, I wager there's value in extending the current infrastructure so as to not ostracize disabled people even further.

[ethbro]

I think grandparent comment's point was that at some point, greater good for disabled people can be delivered by specifically helping them rather than re-engineering the world to fit them. Considering that each has a concrete price tag attached to it.

The "wheelchair that can climb stairs" vs "adding ramps everywhere" comparison.

I feel like in the past the latter made more economic sense, but at some point technology might tip the balance the other way.