No, I think what's meant by that is when the ident loops back round to its starting formation at 13 seconds, it's using slightly different textures/colours (darker brown at the start). Compare 0:00 with 0:13.
If this is called 'Thought-Provoking 2', does that mean that the original 'Thought-Provoking' - or, at least, the edited version - has been officially retired?
Yes that's what I mean.
When it loops back there's a subtle difference with different textures. And it IS called Thought Provoking 2 and Thought Provoking isn't retired, just not used as much as it should be!
Thought Provoking 2, our latest identity for @BBCTwo with @bbccreative and @weareseventeen, music by @alexbaranowski✨— Superunion (@SuperunionHQ) November 25, 2019
Team: @StuartRadford1, @suzanneneal, Nicola Leeding, @ErikBrattested, @Tudballistic 👏 pic.twitter.com/FiZuADCSNv