"I love MA." "I hate MA." The grammar in these sentences is the same. The meaning, though, has completely changed. Or, "I swim MA," makes the sentence devoid of valid meaning.
What if the move before Wang's kick is designed to position him for a low front kick. Doing a high roundhouse instead will meet with empty air or ineffectively hit a shoulder. The kick becomes meaningless AND the prior set-up move now has no function - future generations copying this change will wonder about its mysterious bunkai.
There are some great songs out there. Take the "Star Spangled Banner." It has been rendered many times over the past century. Whitney Houstin, Jimi Hendrix (instrumental only), and various pop, soul and operatic singers. Each has put their individual touch and artistic interpretation on it.
Yet, the words have not changed - The meaning has not changed - Only the pronunciation, inflection and pitch. This allows each singer to explore the sounds, have it fit within their physical vocal range, and make the song "their's," without changing the message the song was designed to convey and pass on.