James Holderness wrote:
Aristotle Pagaltzis wrote:Plus, if I follow the favourites of a user, and they star something that was uploaded 3 years ago, I don’t want my feed reader to show the item at the very bottom of my unread items list. What matters to me is when the friend/user bookmarked it.That's a valid point, but it's only really a problem if your feed reader sorts by some form of date rather than something like time of arrival. I've never thought that was a good idea, for a number of reasons, but I accept that I may be in the minority in that regard.
If I'm understanding you correctly, then in the common case of a polling aggregator the order is skewed unless polling is done very often.
Sorting by published time allows items from multiple feeds to be intermingled into a single list in the correct order.