Some people are just plain rude. I have experienced people who try to weave through me and my friends as if expecting us to treat him as invisible. Can'e he even say 'Excuse me'? It's not like he's dumb. On bus there are people who just refused to move to the back or just move a little so that others could be a little more comfortable. I wouldn't say that only Singaporeans are like that. Some foreigners are quite rude too. I don't understand why they must act in that manner. Is it the way they are brought up or they just happened to pick up such rude and bad habits along their growing process? But whatever the case, I seriously think that people have to think about their behaviour and imagine how others will look at them. Come on, it is not that hard to be a little bit more polite and consideratei right?