While yes some software have come in that format, it took the big 3 to push the server Linux based clouds, Google to push it on phone, tablets and laptops and now Steam to make a push for the average gamer.
This is not to discredit the work being done outside those lab's which very much build on the work for free or by foundations, however the first versions just don't capture a majority of the available markets which the OSes Jobs mention very much did and the others by the billion dollar labs since.
What has been shown is that it takes billions of dollars to market an OS to the general public.