Highly doubt that there are counterfeit Snap On Wrenches coming from China or something like that.
I've had plenty of problems with Snap On tools brand new. Replaced 11 or 12 flare nut wrenches for off center broaching (several other members on here noticed the same problem with their flare nut wrenches), had numerous problems with my SL80 and SLX80 (both replaced with a SL80A and SLX80A). Bought a 14MM wrench from Snap On for a comparison to SK, Proto, Wright, and Williams. The box end of the Snap On is also broached off center. I'm not sure of any other tool company that had to redesign a ratchet because the original design failed the long term test in user hands.
I think Snap On makes some damn great tools (and the redesigned 1/2 drive ratchet is the best no questions asked), but if I'm paying 2-3x the price of SK, Proto, or Wright (and 5x the price of gearwrench or tekton), why the hell have I had so many defects? For the price you're paying, no matter how good the customer service is, there shouldn't be as many defects as there are. They should be perfect tools out of the packaging 99% of the time. I get that every tool company will have defects and bad products that slip out, but again, for the price you are paying, there should be next to zero complaints about defects on their tools.
So if it's not ensuring that every tool is near perfect out of the packaging, where does all that money you spend on Snap On go to? (Advertising)