Swiss flag or Red Cross emblem: why the confusion?

Why do so many first aid related items have a Swiss flag (white cross, red background) on them instead of the red cross with white background? - Quora

Emblems of the International Red Cross and Red Crescent Movement

Why do so many first aid related items have a Swiss flag (white

First Aid Signs - First Aid Pro Adelaide

Which country features a white flag adorned with a red cross? - Poe

Which country features a flag with a white cross on a red

Schwyz canton (Switzerland)

Casualties from the Battle of Solferino (June 24, 1859)

Mluvte nahlas transfúze zachránit flag with white cross red