Doom. When it comes to culture plant the seeds early and enforce it with an iron fist of death, because it takes time for the consequences to manifest and once they do its too late, like rabies. Resolution to culture problems take just as much effort and time to resolve as the neglect and time it took for them to set in.
I have the perspective of going through something like this on a microscopic scale right now. An employee under a manager underneath me launched and EO investigation of toxic leadership fueled on rumors and hearsay. Perception is reality (even if it isn't). I was spared the stupidity of this nonsense because the complainant made a mistake: they didn't confront their leadership before making a formal complaint. They deprived me, as a leader, the opportunity to resolve (or intervene on their behalf) the problem. Even still the corroding behaviors have set in from the bottom up corrupting the local culture of the group.
I have the perspective of going through something like this on a microscopic scale right now. An employee under a manager underneath me launched and EO investigation of toxic leadership fueled on rumors and hearsay. Perception is reality (even if it isn't). I was spared the stupidity of this nonsense because the complainant made a mistake: they didn't confront their leadership before making a formal complaint. They deprived me, as a leader, the opportunity to resolve (or intervene on their behalf) the problem. Even still the corroding behaviors have set in from the bottom up corrupting the local culture of the group.