It's not impossible to remain a creator while using an iPad (or other tablet) - at least not when it comes to development. There are certainly people who are happily developing on an iPad (albeit with a more powerful remote backend)[1]. I think we are likely to see even more of a shift in this direction as these devices become even more capable.
[1] http://yieldthought.com/post/12239282034/swapped-my-macbook-...