I think I remember Doug Crockford talk in which he laid out the original design of EPCOT. It was very similar to what you described. Found it: https://www.you

I think I remember Doug Crockford talk in which he laid out the original design of EPCOT. It was very similar to what you described. Found it: https://www.youtube.com/watch?v=JvoCIPKWobs https://www.youtube.com/watch?v=JvoCIPKWobs