Because he is not just arrived, but he lives here for years, I believe.
My "sorry" goes to my opinion as how I see him.

>I don't get it. He is not...what?
>
>>Because he is not, I believe.
>>
>>>Why are you sorry that he just arrived in the USA?
>>>
>>>>Looks like you are just arrived in USA, sorry. I am share your vision about this part of the USA culture (as I see it).