The guy agreed to be returned as he didn't realize he had a broken leg at the time.

Lesson, I guess, is to refuse any Covid tests before you get to a Japanese hospital.

> Lesson, I guess, is to refuse any Covid tests

For the individual making a rational decision there is no upside, only an unlimited downside (getting refused a treatment for the unrelated condition) as the result of COVID-19 test.

> Hospital denies entry to sick person for being sick.