Because apparently one one of the only flags that isn't discriminatory in anyway shape or form is being discriminatory for not having Black and Brown on the flag.
(Source)
If you wanted the original because you either prefer it or like me think this one is stupid here is the original by Ghost (18) (Link to the original)
NOTE: I didn't use this mod to create this, Google images is your friend :P (Only here just incase someone assumes)