Because they don't understand. A common refrain about the story in the U.S. of LaVar Ball, the impetuously famous basketball dad, is that it was a huge mistake to send his kids to play in Lithuania.

It's a classic example of "worldly" Americans going to the Louvre and being "cultured" but not having the depth of understanding that Eastern Europe is a wonderful, beautiful place. It's just not as well-kept and poorer so they turn up their nose.