Stable online multiplayer with little/no lag spikes
Free games every month
Free TV, movie, and game content every month
It works on higher band wireless networks (wireless N and N+ networks for faster speed)
Built-in Ethernet (meaning, it can manually plug in, as well) without adapters
MORE games
Fantastic third-party developer support
Focus on games, rather than other BS, like gimmick controllers (I.e. Wii, Wii U, Switch)
Built-in streaming services for all platforms, not just one.
Works with damn near any Bluetooth mouse, keyboard, or headset. Or USB ones, as well.