Brendan Moody wrote:
Quentyn isn't pointless. One can debate whether he's worth POV chapters, but his role in the narrative is vital in a couple different ways.
Aegon has been foreshadowed since A Clash of Kings; he's not a last-minute invention or a response to the Meereenese Knot or any of the other structural problems with the third, fourth, and fifth books. Daenerys is taking forever to get to Westeros for the same reason Sansa spends all of Clash and most of Storm getting abused and feeling awful about it: because the rest of the narrative bloated around characters who weren't supposed to do much until later in the story.
Another bloodbath that wipes out half the bloated cast would be very nice at this point.