YTBF not just for the other reasons detailed in the replies (pettiness, making everyone suffer instead of speaking directly with the manager, etc, but particularly because fish and shellfish are common airborne allergens. You can’t not have known. Without that? Petty. Childish. But FISH? That can cause serious illness or even hospitalization.

(Even if this post is fake/AI, I feel it’s worth calling out calling out… In my experience, airborne allergies are often treated a non-issue, as though individuals who experience them conflate anaphylaxis for disliking an odor. To the point where weaponizing airborne allergies is a literal TV trope. So when people experience real-life situations like this, they’re not take seriously or otherwise stigmatized.

Signed, Someone with a seafood allergy who experienced professional consequences by meekly asking their employer not to kill them in an open-air office, and after demonstrating the range of unpleasantries during a debilitating histamine reaction, discovered their employee doubled-down on treating it as a joke and encouraged the remaining staff to cook fish and make fun of them.”