If what he said is true, then him losing Pogba is a lot more painful to him than he is letting on. I'm sure there have been plenty of 18 year olds during his time that have left, and he hasn't come out and said such things.
Fill in the spots necessary for depth, both in quality and quantity (Asamoah, Isla, and hoepfully Verratti) prior to the transfer market officially opening, and then concentrate on the Top Player (s), during the actual transfer window.
nothing to do with him letting him go so easily.
It's about the money. Juve is offering a 1.2 million annual contract, and lest we forget that his agent is Mino Raiola