Don't see the Ng Chan reference anywhere here until you brought it up. Guess you are assuming that this thread is specifically about Ng Chan... Maybe, maybe not...
No issue with Moshe's English, just posing an honest question related to the thread's starting post. I have the general sense that in Ving Tsun circles the concern about lineage is bigger than the concern about practical skill. Not calling Moshe into question, but rather the significance of lineage talk...