The Wing Chun backstory i heard from my Sifu is roughly the same as liger's, that wing chun was first developed as a simplified kung fu to teach alot of soldiers/rebels in a relatively shorter period of time.
I was gonna try to bring an example of a style with a noble founder but I found out Yueh Fei came from a poor family before becoming a general. So did Guan Yu, I think. I know Baji was the style practiced by Puyi and Mao's bodyguards, and I think it was practiced by previous emperor bodyguards, but that doesn't say anything about the style's origins.
Originally Posted by ty5
As far as I can remember, most styles have humble or religious (like Lohan and the tibetan styles) origins so I can't really argue your idea that martial artists were seen as lower class.