I later learned that my reaction, while protective, wasn’t entirely grounded in fact. The dark “vein” is the shrimp’s digestive tract, and for most healthy people it isn’t dangerous, just occasionally gritty or unappetizing. In many cultures, shrimp are routinely cooked whole—shells, heads, and veins intact—without anyone thinking twice, because the risk is minimal and the flavor is prized.
Deveining is ultimately more about preference, presentation, and texture than strict food safety. You can absolutely choose to devein for your own comfort, especially for children, but it doesn’t make someone else’s cooking wrong or unsafe by default. Next time, instead of silently rejecting the dish, I might gently explain my preference, offer to help prep, and remember that care was on the plate, even if the veins were too.