Like people spent years of their life scientifically studying the problem and didn’t think of this before making the claim?

It was multi-wave analysis not just visible light, IR spread can differentiate this.

It’s been missing since 2015. Probability of something being large enough to cover the star and stay on a path completely obscuring it for 10 years is shall we say, not likely.

It didn’t rage against the dying of the light, it just switched off.