Breath Of The Wild Is Getting A Sequel Because The Team Had Too Many DLC Ideas (And Other Info From Zelda's Producer) kotaku.com

Breath of the Wild is getting a sequel because the team had too many ideas for downloadable content, Zelda series producer Eiji Aonuma told me last week in Los Angeles.
Schreier: I thought Breath of the Wild was a masterpiece—a lot of people did.
AdvertisementAonuma: When creating a game, game development is all about the people.
On the Breath of the Wild sequelSchreier: What made you and the team decide to make a sequel to Breath of the Wild as opposed to a new Zelda game?
AdvertisementAonuma: When we released the DLC for Breath of the Wild, we realized that this is a great way to add more elements to the same world.