I'm sorry. WHAT THE FUCKING FUCK.

// edit: regarding this article:

1. FAD: A fad is any form of behavior that develops among a large population and is collectively followed enthusiastically for a period of time, generally as a result of the behavior being perceived as popular by one's peers or being deemed "cool" by social media.

Toddlers do not know cool or choose actions based on cool.

// regarding NYT article:

2. Drinking ecig juice is not something that is pleasant. It makes you throat hurt. It's happened to be numerous times when my old cartridges would leak. No one will chose to experience this - especially toddlers. It's accidental.

That's about as far as I got.