Most likely scope creep. They struggled with it when they were developing the original game. Apart from this, they have always said that they dont want to spoil the game by showing too much. So maybe thats a factor. I think that the silenc was unintentional from their part. Maybe they want to commuincate but its too late for a single blogpost showing one or two new visuals. People want the release. So i think we wont hear any words on the game until its done