Rude staff with an attitude

Today i went to post office to do a copy i found this rude guy and i was not the first time the guy is always rude,I asked him to do me a copy he did after doing a copy of my ID he just throw my ID i didnt complain i asked him to put a stamp on my copies he said the is no stamp,he called the next person without even saying the reason why he did stamp my copies i was supposed to send those documents same time for important thing but i couldnt,pls hire better staff.