Weaving is the process of interlacing thread to make the cloth. What determine the quality of the pattern revolve only around the technique that is used by the designer and the material. Speed would only affect the production rate of the clothing, not the quality.
Throughout the late 1940's and 1950's, MGM became the king of the movie musical. And this was largely due to the "Freed Unit." Freed's productions became so popular that the studio could afford to have a SECOND unit for musicals under the direction of Joe Pasternak.