Why are Asians so inconsiderate of others?

Just to clarify, I love Asian people, I swear I'm not racist towards them. I have though noticed that whenever I'm out in public it's usually Asian immigrants that are always the ones to walk super slow and block your way or just walk in front of you/cut you off with no regard to you or others. It's just plain rude and it hapens ALL the damn time, this isn't a one off or anything. Have any other people notice this?
Why are Asians so inconsiderate of others?
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