There is only one thing you need to understand about RSS and news aggregators.
It explains why this such an important and at times such a difficult issue for us.
It is this:
None of this has been developed to make traditional publishers lives any easier or our businesses any healthier. It is all there for our readers and it does a very good job for them.
The result is that the world of RSS and aggregation is fraught with complexity, but understanding it and coping with it is, I believe, one of the most critical parts of a successful long term online publishing strategy.