It is obviously about context and knowing what kind of communication the player needs in which situation. Sancho's reaction shows that Ten Hag at the very least miscalculated what Sancho needed.
Besides, you're speculating unless you have reliable background information. Nobody knows why Sancho was sent to that training camp in the Netherlands, if it was indeed because he needed a three months break or if that, too, was a disciplinary measurement that Sancho back then just accepted. But if it was indeed because of mental issues he had, do you think it was the right decision to put public pressure on him after all the abuse he received after the EC?
One way or another, I don't see how Ten Hag gets out of this without criticism.
You feck up the integration of new signings and then blame it on some perceived lack of quality of the league you bought from. Which is funny when the success of all your rivals is more or less built on signings from said league.
And no, the league isn't dreadful. I doubt you'd be ranking much higher in the Bundesliga than you're in the EPL.
Going toe to toe with the UCL winner in the league.
No, I think there is one school of football that is vastly superior to all the others not because it is more beautiful but because it maximizes your chances of success
And Arsenal played such football last season, even though they were bested by a team that played even better than them