And, whether these expectations are unrealistic or not, there’s just no way the writers can hit all the points that millions of fans with differing opinions are eager to see.
The stakes are very high when it comes to fitting all these pieces together that have been moving for seven seasons, and however those behind the show have decided to end things, it will always have to battle the long-standing expectations of the fans.
As Kit Harington noted in his interview with Emmy Magazine (via Winter is Coming), there’s no realistic way to end a series, especially one as epic and with as many threads to tie up as Game of Thrones, without pissing off some fans (OK, probably a lot of fans) about one thing or another.