In my opinion, there is no one true Cyberpunk. There are a lot of visions of what that might and might not be called Cyberpunk.
For example, I see Altered Carbon (more focused on the books here) as riding the line between Cyberpunk and SciFi. It's barely Cyberpunk to me but has enough Cyberpunk elements that I don't care. It's an awesome story. Shadowrun does a great job of mashing Cyberpunk and Fantasy but it's also edge-case Cyberpunk in my mind. And my mind is just my mind, I am sure many feel very different and they are not wrong.
I have consumed Cyberpunk where every big corp has it's own private army and Cyberpunk where security was outsourced to a couple of high-profile security companies. My favorite is Cyberpunk that is a mix as I dislike monolithic, excessively organized world building. Life is messy.
I do think that the WJF has the potential to be what people are talking about here. In some ways it already is. But the WJF also suffers from some elements that, in my opinion, make it terribly unfriendly to both players and staff. Which is sad because I feel that more PCs protecting PCs on Gold, we could seriously get rid of the whole 'announce crimes first' rules we currently have.
I respect what the original post was about: Maybe this would allow topside Security types to enjoy more action, fun and RP! I don't think many people would be against the core of what the proposed idea was hoping to change. Maybe I am wrong but most I've spoken to want as much action, fun and RP as possible - for themselves and for other players.
But in the end, I don't think it's helpful to declare any idea as being 'terrible' or 'not Cyberpunk'. It's far more useful, I think, to talk about why you like or dislike the idea based on Sindome's flavor of Cyberpunk (which can change) and how it would impact game play (even AWESOME ideas might be disliked because of the nature of the game we play).