> Even if it's consensual, what happens when she decides she wants to move on from the relationship?
Then they're no longer in a relationship and still have to follow HR/company policies.
>What about her peers that didn't receive promotions while she did?
Did they follow the company policy (e.g., hiring committee recusal) or not for the promotions?
>This is why these laws exist.
Did the company policies follow employment regulations when setting and enforcing their policy?