(Not a front end dev, genuinely curious)
Off-topic: That's perhaps the most annoying paywall I've encountered yet. It first pretends to give you the whole article, then revokes it when you reject the page's attempt to sign you up for notifications. Then there's a separate count-down timer to trigger it too.
Looks like this isn't the first time it's happened, back in 2014 there was another based on Toothless from How to Train Your Dragon: https://www.youtube.com/watch?v=yHfJ1gby8_Y