The three point changes, should they be significant, will not be seen for the next two seasons, maybe three. Guys that are 20-21 likely wouldn't be molded to that perimeter style of play. For the SB change, I think that was more of a personal call from phyr. He still used one or two bigs with SB and guards with decent SB.... But I get the sense that he wasn't that keen on it. Perhaps owners of players didn't want in as well.
Finally, the offsite isn't one big family, it's several small groups of people working towards different priorities. It hasn't been at a cabal level since old man Jfarb01 retired