Anyone have any guesses what century it will be before we finally cast off the vestiges of our less enlightened past and admit that celestial events like these are nothing more than a neat light show?
Not for a very long time. Humans are a very superstitious bunch, and prone to ignoring reason in favor of belonging to a group. It seems to be part of our basic makeup.
The Heaven's Gate cult came and went not that long ago. That was completely home grown, and had no ties to traditional religions. It's not as if the traditional religions are keeping this type of crazy alive. It is still there just waiting for an outlet.