ya it's irritating. or get up the bus and refuse to move in!!! ugh.
but china even worse... kfc, macdonalds also dun queu up u know!!! just crowd round the cashier!!! that day at DFS, saw a bunch of china tourists crowding (literally, standing in front, behind, on the right and on the left ) of the cashier... each one waving his/her own items to be paid for. the poor cashier was like "yi1 ge4 yi1 ge4 lai2!!!' but no one chap her. so uncivilised!