IS THE 410 DERRINGER POCKET POWER OR JUST A PAPERWEIGHT?

The 410 Derringer is a compact, single-shot pistol chambered in the surprisingly powerful .410 caliber. Known for/Ranging from/Boasting its small size and surprising firepower, it's become a popular choice/favorite among collectors/niche firearm in recent years. But is it truly pocket power/a legitimate self-defense tool/viable for everyday carry?