Doesn't sound like Ainge is confident to build the team around IT4

[The One]

https://theringer.com/isaiah-thomas-celtics-fourth-quarter-4404c2f7ae93#.bqurrxe0i

Danny loves him plenty.

"They didn’t necessarily expect Thomas to turn into the superstar he is today, but they knew they were getting a special player who could accelerate the team’s rebuild. After all, in 2014 free agency, Celtics president of basketball operations Danny Ainge’s first phone call was to Thomas."