I "followed your from one thread to another??" Oh, man, that's rich! You flatter yourself, buddy. Yeah, and I guess you are the one who runs things around here- the ops are just here to serve you, I suppose.
There has to be a physical limit, the cable itself has resistance. The question is whether it's a practical limit. A 28 gauge cable would likely have nothing at the output end from a mic at 5 miles. But does this matter?