He is, the data is force rise from ground. How force rise or flow from the leg to hand. Wcners who practice slt and ck develop that type of snake body or snake engine.
There is Hawkins Cheung talking on snake body, now Lui Ming Fei shows it in the lab. Me or not doesn't matter, it is the WCK snake engine. In fact, it doesn't have to be me. WCK is WCK. Unless one is not doing WCK.