Have you noticed anyone using your guides to make fakes targeted to fool your authentication? Do you keep a few clues secret just to be sure?
Not really. We give away everything we have. As others've mentioned, fake manufcaturers get diminishing results by spending the extra $$$ to go from 95% to 99%
Whe anyway, as part of 95%, the exterior side is 99% done. The last 5 bits are interior details unseen by anyone but the wearer
All they care about is selling more products to fake wearers. And fake wearers care only about exterior