I think it’s a problem that badges use different orders due to different localized texts in different languages. On some sites and games I know, when dealing with multilingual issues, they generally keep their order unchanged. Even some older games, such as modern engine extension projects for “Command & Conquer”, are adding similar features to ensure that translated texts do not affect the order of icons and other elements.
As for custom order, um… it sounds good, but I have no need for it.