Probably a mix of specific taste and the abundance of alternatives to do. Tilt Brush and Google Earth is super fun, but it it wears off. And when it comes to games, there are only so many games I'm interested in. Most Vive games feel more like browser/mobile games to me than the epic PC games I love. That being said, I just realized that Fallout VR and LA Noire just got released. This is the kind of content I was waiting for and in the case of Magic Leap, it will also take time until somebody invests into building good content for it.