When you've been screwed enough times by foreign sales you may not think it is so stupid. Selling on eBay poses many risks for sellers. What is "stupid" is when people criticize what they don't understand.
What is really stupid is judging a whole country by the actions of a few of its citizens. There is an equal percentage of bad sellers in every country and it is probably a very low figure.
"People who say things won't work are a dime a dozen. People who figure out how to make things work are worth a fortune" - Dave Rat.