No, most outlets picked Uncharted:
We're tracking Game of the Year (GOTY) awards from around the world. Discover what media outlets and players voted as the best titles every year.
www.gameawards.net
No, if it was just about being incremental, you would at least expect multiplayer games to win sometimes, since they can vary widely and have evolved substantially over the years and yet, as the link above shows, no multiplayer has won for as far back as the site has bothered tracking. Overwatch did become a runner up, which is very impressive, since multiplayer games in general have no chance of winning. As I said earlier, cultural phenomens like CoD4: MW, World of Warcraft, Fortnite, League of Legends etc. stand no chance of winning.
It's basically a single player game of the year competition.