While we were watching, that is exactly what we were saying.
Perhaps, Sagan didn't mention the motorbike, specifically because he knew it didn't/wouldn't matter in the outcome. However, this outcome not withstanding, that motorbike got IN THE WAY! It sets this jacked up precedent to allow it to happen with impunity.
Whether this race outcome would have changed or not, the neutral service (Shimano... Cancellara was riding Shimano, hmmmm) or the dude with the camera, or the officials, or whatever not pedaling with number attached, should never, EVER interfere with the race. And certainly not on THE decisive climb. I mean WTF?
So weird that everyone saw it while watching, but the commentators said NOTHING!