Why does culure not matter any more?

[postage]

Correct me if I am wrong. If a child has been brought up in a certain culture ( not religion) then why is it when they meet someone from a different culture they forget the values of there own and adopt all the good and bad from the other
My mate's son was brought up in a British Asian culture with good and bad and as soon as he met a girl from far east couple of years ago he changed, he no longer wanted to talk to his mother or family. He forgot all he bad times they put up with for him and all the love they have for him.
When the mum asked him to do something which is related to culture he refused and did, not see the importance of it. Without culture out lives would be very bland and boring we would not have the different values??

True or false?

[downthehatch]

culture is simply another form of slavery, why should someone be forced to:
marry someone they dont know/like
have their genitalia mutilated
have their lives ruled by some strange god like thing that lives in another dimension
and issues rules they have to live under or they go to some kind of hell when they die
eat only certain things because their 'culture' says its not right to eat this or that

get the picture

everywhere we are born in chains, and those chains are culture, to hell with culture