Czechs and Slovaks get offended when they're called Eastern European but not when they're called Western European. Is that because they look down on real Eastern Europeans and worship Western Europeans?

捷克人和斯洛伐克人被称为东欧时会生气,但当他们被称为西欧时不会生气。这是因为他们瞧不起真正的东欧人,崇拜西欧人吗?