“It should be a public execution.”
Punishments are meant in part to send a message those considering the given crime, but a public execution is too barbaric for us. Other cultures, maybe not.
Didn't used to be.

“but a public execution is too barbaric for us.”
In America, public executions, usually hangings, LITERALLY were “a day at the park”.
AI: “Why People Attended:
ENTERTAINMENT: Towns on the frontier had very few forms of amusement, so a high-profile execution functioned as a major social gathering.
FESTIVAL ATMOSPHERE: Crowds sometimes brought blankets, picnic baskets, AND CHILDREN, while local vendors sold food, souvenirs, or photographs.”