That's only an implementation detail that could one day be overcome. PyPy is an excellent example of why, "X language is slow," is a silly statement. The implem

That's only an implementation detail that could one day be overcome. PyPy is an excellent example of why, "X language is slow," is a silly statement. The implementation of the language runtime can be made to be faster. As well as speed being a secondary concern for all but a few application domains.