By her actions, perhaps. Her demeanor and attitude, at least early in the finale, show her callousness and disregard borne of what she perceived as failure to bring everyone (mostly Seven) home. She had forgotten the family she built through their shared hardship. Prime Janeway had the advantage of seeing what she could become and took actions that would go on to make her not qualify as a “badmiral.”
edit: Also, the time “boyscouts” are an ineffectual and useless branch. Had we gotten a more fleshed out Temporal Civil Cold War, I might say otherwise.