Why is a fever a “good thing” during a bacterial infection?

Because having a fever raise your body temp and bacteria need a specific clime and acidity to survive and prolifer, so could help to stop the advance of bacteria.

But, you need to keep an eye on it because high fever can cause the bad function of body systems and regulations.

the national environmental policy act (nepa) is a united states environmental law that promotes the enhancement of the environment and established the president's council on environmental quality (ceq). the law was enacted on january 1, 1970. to date, more than 100 nations around the world have enacted national environmental policies modeled after nepa.