Yes: bad places exist in the world.

No: the confederate flag is mostly flown by nice well learned history enthusiasts who simply couldn’t bear to see their fellow man of any ethnicity placed in any form of hierarchy, and so display it to show everyone how glad they are that the confederates where defeated.

“US is always number one and everything is just perfect” is a plague among the uneducated right. There is nuance to everything, unfortunately.