https://www.cyclingnews.com/news/pogacars-dream-vuelta-a-espana-continues-in-pau/ that seems to cover it in a bit more detail. Think Millar just got a bit confused/timings weren't quite right.
It'll be approved for now - until they change the rules to ban it.
Are they expecting rough tracks? Could eaily fit some chunky 28 tyres in that