The people who made computing available to ordinary humans solved the last great accessibility problem. This is the same move, one level down — and four of them are already in this record.
Each stop is a page in the graph. The order is an argument — but every one of them is also a door into the rest of it, so you can leave the path wherever it stops being useful.
The interface revolution removed the requirement that you be a specialist to use a computer. This removes the requirement that you own capital to hold a position in what you help create. Same shape, different level — and Raskin's own unattributed work is the clearest possible illustration of the problem it solves.