The beauty of a language is, generally judged by its soft or rigid, melodious or harsh, ring. Other aspects, such as the flexibility of derivation, play hardly any role in grading. Were it the case, Russian would certainly be placed on the winner’s stand. It would rank first in plasticity.
I was well aware of the fact that once you appeared in Doctor Who as something else, you were ruled out for the part of the Doctor: that was a kind of well known thing in the business.