I’ve mentioned this before, but it’s worth mentioning again–if for no other reason than it involves the torture and mutilation of millions of children.
Just about the most glaring example of cultural bias I can think of is the fact that most Americans view the genital mutilation of young girls practiced in other countries as heinously evil and barbaric (which it is), but view male “circumcision” as just fine.
The only reason they think that is because one type of genital mutilation (but not the other) is still common and familiar in this country. “It’s tradition, that makes it okay!” Well guess what: that is the same reason that people in those other countries engage in their barbaric bullshit. Either way, it constitutes the physical torture of young children.
If you’re trying to fabricate a fundamental difference, it’s because you don’t want to question the crap your own culture preaches and does; you just want to focus on how bad other cultures are.