It was interesting enough for FB to strip down and repackage https://github.com/bodymovin/bodymovin
I really don't see what there is to write home about. This article reads as a PR announcement (which is okay) disguised as a technical achievement (which it isn't).
They're "just" animations.
It's a cool implementation but it feels like they are claiming to have broken amazing new ground. To people that don't understand much of the background technology that's exactly how it reads.