Yes, cause Superman, Wonder Woman, Supergitl, Power Girl have never lost a fight.
Kyrpto's powers doesn't make her unbeatable...it open up more avenue for her to use in a fight. Her ability to swich powers makes her a valuable assist to any team. Hell, Martian Manhunter has every major ability and he still gets defeated.
Not trying to be mean just pointing out the double standards. In a universe where people can move planets, Vixen expanding her range is not a bad thing...