It's ok, enjoy your Saturday.
Under normal US circumstances you'd probably be right. We've assimilated many waves of immigrants.
The problem now is, they're coming faster than we can assimilate them. Use language as your indicator for assimilation and you'll find that, back in the day, ppl learned English pretty fast just bc they had to. During that process, they got culturally assimilated too. That process is no longer happening. People can live here 20 yrs and never get fluent in the language
or the culture. They're active in their communities and spreading that poison to all the kids born here.
It's not good for us.