That would be because 99% of the coins created are cloned. And they take a wallet they want to copy, make a few changes here and there, and have their own coins wallet.
If you want an even funnier example. Ask yourself why Maxcoins wallet in the past (Haven't checked if its fixed yet), asks you if you are sure you want to lock your wallet, because if you forget the passcode, you won't be able to access your Blakecoins.
That's funny. I never noticed that when I had MAX. But I jumped that sinking ship a while ago....of course after I lost 98%.