> didn't they say that when they arrived 400 years ago
Didn't x say y 1,000 years ago?
You're talking about different people: literally, morally, culturally - in most every way in other words. What does the average American today have to do with someone that came over from the British Empire in September 1620? The Pilgrims were not a mixture of German, African, Mexican and Chinese. Today is not 400 years ago.
didn't they say that when they arrived 400 years ago