If you (generic application) understand what’s going on here, then you should understand why U. S. loyalists don’t want binding international agreements.
Here a state is deemed by some not to have the right to decide what flag it wishes to represent it.
Internationally, the United States can been deemed in a like manner to coerce it to change it’s ways.
Good-by self-determination, hello to inferiority and domination from outside your borders.
So replace the southern cross with a middle finger..in fact make it crossed middle fingers