My son was born in November 2023, and to stay awake during late-night soothing or feeding sessions, I often open up TikTok. I already know what you’re thinking: Blue light, in the middle of the night?

A Reddit user’s graphic account of an in-flight diaper change has triggered a storm of disgust and debate about basic airplane etiquette. In a post titled, “PSA–Do NOT change your baby in the seat!!” ...