I think this was a very specific case of someone editing an image and introducing a mistake. Experts knew what the real flag should look like. For example, if

I think this was a very specific case of someone editing an image and introducing a mistake. Experts knew what the real flag should look like. For example, if the name on my birth certificate is Steve but my forgetful friends keep calling me Bob, my actual true name does not change regardless of how many people say my name wrong.