KARD disbanding after 10 years — can coed groups ever win in K-pop?

10 years is a solid run but it still stings. KARD proved coed groups could tour globally and still never got the domestic push. Is the industry just allergic to coed acts, or was it a KARD-specific thing? Story: https://kcontents.news/news/kard-disband-after-10-years