This is completely understandable. And he never forced his return either, I'm sure h'd happily stay at Juventus.
Pogba left for the money, it's also understandable. I mean, it's a 3/4M a year difference - it's a shitload of money. And he has all the right to be tired of winning the same league over and over again and going to the most competitive in the world.
Vidal was the one who hurt me. First because I'm so fucking sure Marotta could and should have hold onto him (coff Matuidi coff coff). It was an option to let him go (and for a very low price for the kind of player he is). But mainly with Vidal, who is probably be making around the same amount of money he'd making at Juve. He left because he didnt believe Juventus could win in Europe (and also that he couldnt highen the level of the team for that). That was sad.
And about Morata, Im a huge fan. I think hell be the best CF of the world in a few years. And in all honesty, I might prefer him to Higuain, regardless of values. I like his style more, and the potential is just huge.