In the final episode of Season 7, everyone is catching up on everyone.
10 minutes into the finale, we see that every character that the audience ever cared about is now in the King’s Landing. They are part of a huge herd where everyone catches up on what has been happening behind their backs.
Tyrion and Pod, Pod and Bronn, Brienne and the Hound and the news of Arya’s life and the Hound- all catch up! The meeting in the King’s Landing looks more of a global summit or a special reunion of friends than a meeting. However, we do give Dany ten points for arriving late and another five for doing so with an “impact” that expressed itself as, “I had three dragons BUT I still have two!”