If Apple says there is a defect in the way the iPhone 4's were manufactured then your phone DOES have the issue and you just haven't experienced it yet (most likely b/c AT&T's service in your area is very good). I still don't understand why you wouldn't get it replace if Apple TELLS you that your phone is defective. Would you simply not believe them and call them liars!?
I'm not saying that some users aren't experience this problem, or that this problem doesn't exist, however the almost reverse "you're holding it wrong" mentality around here (If you're not having problems you're doing something wrong) is ridiculous. The XBOX 360 went years with a reported failure rate as high as 50% with no product recall. MBP has had display issues across lines, screens issues with iMacs, massive hard drive failures in the 2008 TimeCapsules, Wiis "breaking" TVs, any number of Sony's hardware blunders....All widely covered issues with hardware problems as bad as if not worse that the iPhone 4 reception issue, yet no product recall in sight.
I wouldn't call them "liars" for a recall any sooner than calling the millions of people who've owned one of the aforementioned products with no problems a liar, because neither of us are. Your statement that "your phone DOES have the issue and you just haven't experienced it yet" is meaningless; you're basically saying that any product that has been released with manufacturing problems is destined to eventually fail....which is every product ever released. Does it suck that there's a reception issue and Apple/AT&T should be diligently working to rectify it? Yes. Does it warrant a product recall when the majority of devices correctly function? No. You're right though, maybe my body's electrical charge is weird or y skin isn't as conductive, but my phone works. And it works well.