EU can go screw off. World doesn't need these over-bearing unions of pencil pushing authoritarians.
I'll even answer the EU for them using their own typical strategy..
*whiney liberal voice*
'The EU flag may trigger some minorities and lgbt people because of their nations histories and triggering people is hate speech and hate speech is violence. We can't allow violent far right rhetoric to exist in this world and even though nobodys stopping you having your flag, you're not exempt from the consequences of flying that flag.
Also if you don't know why your flag is bigoted then I can't help you because i'm not here to educate privileged people who go through life not knowing what bigotry is...'