Most practitioners I've seen have fought at many different distance, in many different methods. The entire family as a whole is so diverse that it's rediculous to make claims such as these. William Cheung, Sifu Anthony Arnett and myself. Then I might suggest you try looking a little harder as more and more material on linneages outside of Yip Man are becoming more readily available. Thanks for listening to reasons.
People are always willing to listen to someone's opinions.