> The flaw with your theory is Dyson Spheres don't hide the star. [follows with sound reasons] These are really good points. I figured the flaw in my theory is

> The flaw with your theory is Dyson Spheres don't hide the star. [follows with sound reasons] These are really good points. I figured the flaw in my theory is we haven't had precision observation long enough for DS to get constructed. Also that if we noticed the disappearance of a star, that we'd attribute it to a DS and not some natural occluding object.