Does the superstition in Billie Bossa Nova reflect Billie Eilish's personal beliefs?

Superstition in Billie Bossa Nova poll options

Superstition in Billie Bossa Nova

Happier Than Ever Album

Billie Eilish

• Yes, she's subtly revealing her beliefs
• No, it's just for artistic effect
• It's a mix of both
• It's unclear from the song.