Not quite, there's some complexity involved here that was left out. For starters, it is only Westerners, and predominantly younger people, who believe such obviously silly things. Secondly, it is possible for Western cultures to be objectively worse, but(!) this in no means implies that there are differences in cultures. If that seems illogical to you, it means you just need more reeducation. It can often be helpful to feel about it, rather than think about it, thinking can fill your head with all sorts of crazy ideas.