Pritchard : wow you get Turner and Mcdermott! You will love them. You owe me
Ainge: what kind of special you smokin??
This is how I envision things went down 
Would you be very upset if we S&T Hayward to Indy and received from them - Turner plus McDermott plus a 2022 first rounder or a similar pick?
I can guarantee you most people would be praising Danny and tell how good of a trader he is.
And then most of the same people would be calling for Turner and McDermott to be shipped out of town by midseason and for Ainge to be fired because those two have no value.
You can reasonably argue about the value of Turner, McDermott and a late 1st as a return over a TPE and cap flexibility that allowed us to get Tristan Thompson and Teague, but you cannot make a reasonable argument that Ainge regrets passing on this.
For one, there was no real opportunity to make that deal, the Pacers are misdirecting from the fact that they couldn't/wouldn't match the offer Charlotte gave to Hayward.
And second, from all we know about Ainge and Stevens and what they value over the past several years, they do not want guys like Turner and McDermott. They would rot on the bench here.