
To try to answer that question, I consulted science - specifically, political science.

The core issue, at least as the season begins, is which of these three warring factions is likely to remain standing after the inevitable battle to come? Most fundamentally, though, it put the pieces in place a for a season-defining three-way conflict between the good guy alliance led by Jon and Daenerys (or should I say Aegon and Daenerys?), Cersei Lannister, and the White Walkers. The episode showed us where things stood in Westeros after season seven, reunited some long-lost family members (Jon and Arya, aw), and set up some sources of tension between main characters like Sansa and Daenerys.

Game of Thrones’ season eight premiere, “Winterfell,” was primarily setup for the inevitable war to come.
