Why do you think the imported ones are harder to handle? Do you reckon it's a breed characteristic or the way they're trained? A hot, high performance WB isn't particularly easy to handle, either.
The Europeans see dollar signs when they see the N Americans come over to their country.
Do you REALLY think they offer us the best there is when we go over there to shop.
We get shown the front barn...the back barn is another thing entirely.