alt Hacker NewsThe word "theory" doesn't matter in the way you are portraying it as.
Like a book is a book because it's got pages with words on them glued to a spine with covers. It's not "not a book" because the plot makes no sense.
Scientists don't care about what "a theory" is, it's not philosophically important to them. It's just a vague term for a collection of ideas or a model or whatever.
I guess I'm not being clear. I don't care about the word "theory". The point is string theory makes no predictions. It's not just inaccessible energies which make it untestable, but the fact that, as a framework, string theory is compatible with a huge range of possible universes.