He could follow Pogi in the flatter stages. Once the mountains began, no.Vingo confirms in interview he could not follow Pogi at Dauphenie. Says his condition is better now, but it at least suggests we've seen one's ceiling and not Pogi's.
So he is just trying to do mental games, all over, like Visma loves to do.
At the end of the day, he is 1'17" behind and only following Pogi's bike.