10 for 10.
I guess I'm glad to have scored that well on the quiz, but frankly, I'd rather err on the side of paranoia...
I apply the Common Sense rule. If Ebay were really validating the account information of EVERY ONE of their customers, I'd have read about it on slashdot or something. And they wouldn't use threatening language like "If you do not validate your account information, you leave us no choice but to cancel your account."
The thing I mostly look for in these emails is the destination URL of the links, which this quiz deliberately obliterated. A link to
www.validate-ebay.com is NOT the same as
www.validate.ebay.com.