It's not uncommon for people to pretend to be someone else on the internet. Happens so often that the person isn't telling the truth it becomes almost unreasonable to not doubt their claims. This is the internet, after all. But yes, anyone can say they have all S and S+ stats and that those numbers are all totally legit but few can even prove they have the numbers and none can truly be free of suspicion. So long story short I'm calling your bluff.