They allow blocking because some country's are known for fraud.
But Ebay and PayPal are on their way out, sales are dropping, thousands of people are no longer selling and people who had Ebay stores are closing them. Ebay is trying to turn into an Amazon Store. I can almost always find better deals on Amazon without having to deal with PayPal. Take a look at PayPalsucks.com for the latest fuck-ups they are perpetrating
