Angry Santa

My mom did this when we were growing up. She’d leave a light just outside her bedroom on and we’d turn it off when we got in to let her know were in safe.

Sure, but it’s an article in a British paper and you’re referencing an American dictionary. Brits can use it for the nefarious connotation, but they very commonly use it to mean an officially organized plan / program.

https://dictionary.cambridge.org/dictionary/english/scheme