Wing chun long, medium, or short range sparring?

[JPinAZ]

There is no principle in wck that tells us to ever chase an opponent, this is a modern evolution based on people's interpretation of the art.

I'm with Wayfaring and completely disagree with this statement.

WC's concept of Jeui Ying precisely talks about how to chase/pursue a position of advantage over an opponent. The second half of the kuit Loi Lau Hoi Sung, Lut Sau Jik Chung also touches on this idea. Of course, from reading your last post, your idea of 'chasing' and mine as it relates to the 2 concepts I just mentioned might be 2 very different things. But in my experience, you very well can chase/pursue a position of advantage when you have it - it's essential to your idea of 'completely controlling your opponent' (which IMO is mostly fantasy as you can never 'completely' control anything..)