What do think of Hip Hop and the teenages today?Is it good for them?

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Last night,while I walk around the street,I heard some loud music with rythem from a playground.Many people were there and I just want to find out what was going on.Later on,I just found out that it was an Hip Hop contest going on in that place and many teenages were all excited and got on their move and action.I think different culture has different situation.In the western world,hip hop is nothing and you can see people dance everywhere.But in my city,looks like only the problem teenages will love dance like Hip Hop.Most of them are kids didn't like to go to school or drug addicts or people who are full of anger all the times.I think my city is a bit different when compare with the western world.By looking at the way they dance,it only gave me an impression and feeling like this:rebellion,self-centered,act like they are somebody,showing off from their move.Put fighting in the dance although they are not really fighting.And of course they think they are so cool.Overall speaking,I don't like the way they dance anyway.I feel that they are just nobody when compare with the real cool Hip Hop kids in the western world.Well,maybe you can share your experinece with me.That's was my feeling towards those who do Hip Hop in my own city anyway.