[frogjerk]

To admit miracles into a scientific theory, however, turns it into pseudoscience at once;

He makes a pretty good point.

Then why is the big-bang theory taught in science classrooms?

[andyk]

Then why is the big-bang theory taught in science classrooms?

I'm not sure exactly what you mean, but I suppose the author would respond to you by claiming that it's consensus science.

[taxesareforever]

Then why is the big-bang theory taught in science classrooms?

Because it makes the loudest noise.