Having the power to insert 400 new pages into a 1200 page document, etc., etc. puts you in charge. What would be the point if each of the billions in the world all had the same tools ? tools that limit their capacity to the same low level? How is anyone to rise to the occasion and produce more than the next when we are all condemned to produce the same? It not the least bit easy to take the words of 25 contributors from random formats to produce a readable uniform product. As for Interleaf keep in mind that?s its current purpose is to fund healthy retirements to the executives limiting its availability.